it's interesting to watch the metal we all work on.. you seeing it from your perspective and me from mine... but we both know that we are a part of it.
And from one of the Students of (not these airplanes much smaller ) thank you for maintaining these and all types of aircraft and also from someone who works on them also (much smaller airframes ) your welcome 😂😂 I love flying em and I love fixing em.
As a retired airline captain I was always thankful for the maintenance I received from guys like you. It made my life easier and safer. Thanks for the job you guys do.
Brother, I am just a private pilot with my commercial and IFR rating… your channel is going to the moon! Keep this content going! Not only does it help non aviation people feel safer that you are there on standby but for aviation people like myself, I love the background of everything! Seriously, from the bottom of my heart, good luck! I subscribed in the first minute, it’s only one, but… it will grow! Take care and thank you for keeping us all safe up there!!! Nothing but the best to you and your team.
Thank you so much for your kind and thoughtful words sir. It’s a pleasure to have you here and I’m very happy you are enjoying it. I got plenty of fun videos with lots of adventures in aircraft maintenance. If you see anything that you find interesting, don’t hesitate to ask questions. I’m always here to listen, teach and learn.
As an A320 Capt I find these kind of content very interesting. It's always good to know what's going on and how things work outside of our flight deck "bubble". Good job!
As a flight attendant I always remember to thank the unseen people that make aviation safe for all of us,, and that's the ramp crew, the passengers don't see them, they see us flight attendants mainly, but the unsung heroes are the ramp crew. Thanks guys for keeping all of us safe.
It’s our pleasure as mechanics to keep you safe in the sky. And thank you for all your hard work you do in that sky. I have seen flight attendants training… INTENSE..lack of a better word.
I have an irrational fear of flying. It is not stopping me from flying mind you but it can at times be stressful. Watching your channel, understanding the redundancies in place around, well, pretty much everything has really helped me. Knowledge is indeed power. Thank you.
I hope you find good ways to manage those irrational thoughts. I had similar issues with heights, but it wasn’t until I started addressing general anxiety disorder that I noticed my fear of heights was greatly reduced. Stay strong!
Great Job, from a retired Facilities Manager, it's great to see the Attention to Detail. That's what really make the difference between just getting the Job Done and going the Extra Steps. Thanks for showing the Brake Cooling Fan, always wondered how all the heat is dissipated after hard stops. Incredible amounts of heat generated by way of Force/Resistance, all inside an area surrounded by giant Tire.
I was aircraft mechanic for 22 years it was the most satisfying job I ever had. Then my health got in the way and ended my career but I miss it every day the bond you develop with your fellow mechanics can't be explained the road trips to retrieve broken plane at outstation and sometimes have to spend the night at the hotel where the crew stays also and get lucky with the flight attendant that likes to go out on the town of course it helps when you're not the first flight in the morning.
Amazing Video! Interesting to see 2 wheel tie bolts shearing together. We typically check to see if the right procedure(s) were used during wheel assembly (i.e. bolts tightened in a criss-cross pattern. Otherwise you run the risk of few tie bolts in a severely stressed condition). Checking to see the number of hubs and NDT inspection the bolts have gone through is also helpful in identifying if the probable cause is indeed the bolts. If wheel assembly procedures and time on the bolts are noted to be satisfactory, we may look somewhere else.
This was quite interesting...and we were all a bit puzzled... but regardless of that we were happy to get it all fixed... we also submitted a safety report to the overhaul facility to see why this happened... hopefully this was just a fluke.
I got to go into the cockpit of this bird a few weeks ago. First cockpit I have ever been in, got to sit in the captain’s seat and everything. It’s an honor that you worked on the very bird I got to fly in. N400AN is a very nice airplane!
Having 39 years of experience in automotive Ive worked on nearly every except airplanes and trains, I think this is very interesting and a very well put together video. I’ve seen some other ones you have they’re all great thank you for sharing it.
"Why am I showing you this" cuz your awesome?, that's why . I can tell by your commentary you take pride in your work, work ethics, and quality of work. Great Video. Thank you.
Good video that I forwarded to a young neighbor thinking of a career as an airline A&P. I hope he is inspired and gets to work for a big airline in a couple of years. Stuff happens; lucky there wasn’t any damage to the axle.
As a passenger and a (GA) pilot, I thought this was an outstanding explanation. Thank you. Love your enthusiasm for the problem solving and safety aspect.
It always amazes me that people can be nervous of a defect on a plane which is throughout checked at regular intervals, yet there are people driving around in no inspection states. Great work as always man! Thank you for keeping us all safe.
Mr Stig. I know you know, that one of the most important tasks you do, after the inspection and before fixing, is to accurately diagnose the problem. It's very evident by your videos. Congrats to you and your crew.
In Ops, I've seen you guys come out to many emergency aircraft that can no longer taxi and change the tire on the rwy. Amazing watching you guys from the comfort of my Tahoe...in August...in Houston. Great job. Thanks for describing the "stuff" we find on the rwy during our inspections.
We try to do as much as we possibly can to help. And I have gotten quite interesting photos from some of my friends at LAX ops asking me what that part is.
Thank you for watching. And in reality it’s not that hard to work on. We have really detailed manuals we follow. It’s genuinely step by step instructions. It’s a fun job
I’m currently working right next door to Gatwick airport, I’m a mechanic I’m repairing the airport vehicles. Never get bored of that thundering sound as they take off. Very interesting to see that description of your repair.
As a Supply Technician...i know the amount of pressure on you guys...i do respect all the Efforts and works on that...such an important part of Flying.... Thank you 👏🏻 💐 🇸🇦💯👍🏻🌴
@StigAviation Thanks really appreciate it. Done with my general classes so gone take that test soon. Going into Airframe or PowerPlate next. Any tips on the general test?
I remember in a later video, you dealt with a flat tire due to a valve core that failed in the stem, while a rare occurrence, it has been known to happen, I've changed out many myself. But I was not prepared to see the damage done to this wheel and break assembly, as well as the blown out tire on this one, wow! Hear I was asking myself, what caused this unfortunate disintegration? So it was a tie bolt in the split rim design, dang! I agree, whole new wheel assembly, break assembly, and tire required for this one! 200-PSI? Dang, thats a lot of pressure in those tires! Funny how the break pistons sound like cranking over an engine. I love how you give all those hearts of love. 💓 I've watched so many of your video's, and am learning so much. You have massively improved your video production in the modern stuff though, and everytime I have a question, you seem to answer it in an older video, so I don't have to ask lol. I know, your awesome.
i had zero interest in this industry, until i asked a friend of a friend what was he doing, newly joined aircraft trainee technician and shared your vids and the contents in this channel, is priceless. surprised all these aren't restricted stuffs.
This takes me back to a long time a go... working in the wheels and brakes overhaul shop at Schreiner at Maastricht airport. Good times! Mostly Dash 8, ATR 42/72, Embraer 120 and F27 F50 stuff, but we did get to put an AN124 back into service wich had been impounded at Maastricht and had stood on the side of the ramp for several years wich was pretty cool for a 24 year old me.
Thank you for these videos I’ve been doing a/c maintenance for 2 years and I’m more comfortable with narrow bodies specifically airbus.. but I’m not to familiar with widebodys your videos have helped me a lot
I’m glad it’s helpful and don’t be intimidated by the wide body bird. Just takes time to learn them and you’ll need a ladder 😅. But overall the wide body aircraft are generally easier to work on.
Nice video showing good details, but I was wondering why you did a taxi test? AMM doesn't call for it (we can't do it here under EASA now anyway) and your delay would have been less
Because I was not satisfied, I wanted to make sure that it was no other issues. That is my prerogative as an aircraft, maintenance technician, if I choose to taxi and aircraft to make sure the aircraft is deemed to be airworthy, then I will do so. at the end of the day it is my signature that is approving that aircraft to be airworthy, I will not put people on board unless I am completely satisfied with the product I put out.
Stig, my fascionation towards aviation is nothing but recent and i certainly did not expect to end up on this path at all. But it was only when coming across one of your videos a couple months ago that i actually decided to take a leap and pursue this beautiful path. Thank you for the reassurance and passion you show on your videos, its truly insightful and i am prepping myself to start studying next year. Gotta cheer up on that amazing work that you do, thank you again. (Also, if you see this comment, what happens with the tires you remove? Are they disposed? Sent back to someone? Also, the sound of the pistons was astounding, truly beautiful.)
Glad you are here and enjoying it all. And to answer your question the tire and whole wheel assembly will get sent out to an overhaul shop. If it’s still usable they will recap it. If not then recycled. 👍
Hay Stig I notice that you do not bleed brakes after changing brakes I am a retired TWA mechanic working powerplant at LAX, I want to thank you for what you are doing for all the hard working and dedicated A & P's keep up the great work you are doing TWASMUDGE
How are you brother, and just want you to know that we did bleed the brake I just did not get the chance to get it on film. By the way, I still work with some of the TWA mechanics that are still here. Some of the best mechanics I’ve ever worked with.
Do you have to rebleed the entire brake assembly, or is each wheel separate? Dang there's a lot pistons in that caliper, bet that wasn't a cheap. Thanks for showing the parts diagram it helps wrap my head around it. When I was younger my neighbor was killed working on a split wheel setup like that, but for heavy equipment. The pressure behind those Hydralic, pneumatic systems is scary when they fail. Anyway great job on the repair, stay safe.
I did not have to re-bleed the entire system just that one break, it ties in to the rest of the system. I’m sorry I just didn’t get a chance to show you how we bleed the break. But yes, we do perform that action.
Very informative, quick diagnosis of sheared wheel rim bolts that wrecked the brake pack and cooling fan disc housing. No toys chucked out the pram, just fit the new wheel tyre , brake pack and cooling fan disc housing. Regarding the noisy fan ,it is no noisier than the radiator cooling fan on a Scania Slug bus.
Yes, the methodical way of changing damaged undercarriage parts not too fast even though the aeroplane is parked at the gate and not earning, safety comes first. @@StigAviation
Pretty awesome that you had a caliper/brake assembly kit on hand. Those looked to be 3/4 or 1 inch bolts, and I assume they were Titanium. Did you send them in for testing? 18 Qty 1" bolts should have an amazing amount of tension strength , and I would love to know the root cause of failure. Titanium is also extremely resilient to heat cycles, so I doubt anything heat related would cause the failures.
We usually have the most common parts on hand, which is wheels and brakes, and we did send out the damaged bolt for analysis. It seemed to have been a defective bolt.
Great job with the video and the commentary! We pilots feel safer with you guys doing the hardest work ensuring our safety on the ground and in the air! Keep up the good work and thank you 😊😊😊
Very interesting, indeed! This is one of the best marketing tools American has, and it comes from those making things safe and ready. Love the pride you have in your work!
Im annoyed at UA-cams algorithm that it knows I love planes and and increasing interest in mechanical repairs and it didn’t recommend your channel to me sooner. Subscribed!
Just wondering - a million years ago when I worked aircraft maintenance, no hats were allowed to be work on the flight line due to potential FOD hazard. I take it that changed?
Yup it has changed. Now they issue us hats as part of our uniform. Although I’m not complaining. I love wearing my hat, keeps the skydrol off my head 😅
That’s an interesting one with the tie bolt failing and jamming the brake assy. I once had a main wheel on a Gulfstream IV come apart on takeoff out of San Juan. We didn’t realize it until the tower told us we left something’s behind on their runway.
Yes, though I NDTed the wheel at every tire change a slight crack was there from day one that never got discovered over roughly 20 inspections. All the parts were sent to a lab that Gulfstream used which created about a 40 page report with pictures from a microscope camera. Fortunately only a drain mast and an opposite side wheel speed sensor got wiped out with us landing in Miami uneventfully.
Thank you for sharing this! Was this at an airport that had American Airlines heavy maintenance hangers and if so, was one of those overhaul mechanics sent to assist? How long did the repair and taxi take?
Excellent video. Many disasters averted due to alert aircraft technicians. An investigation should've been initiated to discover the failure of the Tie Bolt. That's not suppose to happen. Keep up the good work!
@@StigAviation wow ,never knew that you were qualified for the whole aircraft.thats amazing the knowledge you guys have and have to learn! From cleve oh thanx for the reply.again love the videos,and thanx for keeping us safe,have to fly this march.
That's very impressive and reassuring. All those pesky little shards and pieces are FOD. How do you manage to recover all of this while working on the line? I'm sure it's done but I'm curious as to how it is. Thanks for your excellent and interesting videos.
Great video, great content. I'm interested did you bleed the brakes and how is it done? And why didn't all pistons pushed the brakes in test mode? Very interesting all together, keep up the good work!
We did bleed the brakes via a shrader valve, I just didn’t get a chance to show it. The pistons have a dual redundant system, normal braking and alternate braking. We test both systems, hence why you see only one set moving at a time.
@@StigAviation thanks for clarification, good to know how airplanes are working and how people like you keep them running and keep us safe. Thank you and all the best!
As a retired commercial pilot (not airliners) I found that really interesting. Are you able to let us know how effective the brake fan is? I'm curious because I read somewhere that if the aircraft has the brakes a bit warm especially after an RTO that when they get cool enough to fly and the brakes are still a bit warm then the pilots can leave the gear down for a extra seconds (can't recall for how long but it wasn't much due to going over the retraction speed) to cool the brakes down. I guess at a 200kts the airflow is the great cooling equaliser. Obviously the brake fan isn't that effective but am curious as to how effective it is. Thank you for the interesting video. Will now have to watch others. 👍👍
Believe it or not, the brake fan is very effective, I have seen brakes come in that are close to 450°, and I turn on the brake fans, they cool down back to about 200 to 150° within 15 to 20 minutes. And yes you are correct pilots can leave the gear down For about 2 to 5 minutes and it definitely helps cool it down. But the brake fans themselves also help a lot when the aircraft is parked at the gate.
@@StigAviation *Wow* that's quite a mass around the brakes and to cool it down that much in that time is quite amazing. That would really speed up the time needed for cooling after a high speed RTO. I really appreciate you posting back and letting me know that. I wonder why Boeing haven't incorporated them into their MLG. Have a good one and Thanks again and I hope you keep enjoying your job until you retire or decide on a career change. 👍👍
The brake fans are very effective. They also used on a standard turn around to cool the brakes before the next takeoff, they are not there just for RTO’s
wow so cool! I'm left speechless! thank you to you and all aircraft maintenance techs.. amazing job! thank you for your services! very fascinating to watch! thank you for letting us watch what happens on your day!
@@StigAviation I’ve been subscribed for awhile but I got a call about dragging brakes from a buddy in San Diego on an A330 and I went down this rabbit hole 😂
I doubt it was the tie bolt that caused the issue. It was probably the torque from a seized brake assembly that caused excess stress on a tie bolt because the wheel was locked up on landing
Did this many times, but am finally retired from the airline business. The planes can fly themselves but they can't fix themselves, it's the grease & oil stained mechanic that plays a very major part in keeping them airborne. FLY NAVY!!!
Maaaan…I arrived from HND on the 10SEP and stood in LAX for the whole day waiting for a good flight to MIA. When i boarded the flight i remembered you….i saw many techs walking the boarding area, i could have asked about you, Stig. 😢
Most likely that was me. I usually work both those flights. The HND and the MIA flights. Message me on Instagram next time if your at LAX. I’ll stop by and say hello 👋
@@StigAviation- Sure i will !!! Y'know how gets our mind when we travel non-revenue....we forget abt everything else but the travel planner and waiting lists. lol
Pressure doesn't affect me... my priority is safety first... ill ground the aircraft if i have to if i don't feel or know its not safe... its my signature on that airworthiness and those souls on board are my responsibility. In regards to doing the job fast but correctly..well that comes with experience and knowing how to follow procedures.
Do you guys inflate the tire in a cage for the first inflation? And being that it is a split rim is there an inner tube or do the halves seal together with some type of seal or o-ring?
On the CRJs I work on, the wheels have a retainer that hold the tie bolts in place should the nut end shear off. I've actually found two wheels with shorn tie bolts and luckily neither incident caused any other damage. Just stuck new wheels on and they were all good.
From a 39 year pilot at American Airlines, I Thankyou for ALL you guys do! You have never failed me!!!!
Thank you Captain. I appreciate you and your kind words. We will always keep you aircraft safe and airworthy 🫡
An extremely interesting video. Changing out brakes and tires on an aircraft in comparison to doing the same on automotive vehicles.
That is an awesome recognition! It takes a whole team to make every single flight go! All on the same team, and you’ll make it back to base as a team!
What they tell you vs what they do. Trust but verify. This generation of A&P techs is t what it used to be. They are effing weak spirited.
From a guy that's worked at the front office of that very ship number at some point, thanks for all you do.
it's interesting to watch the metal we all work on.. you seeing it from your perspective and me from mine... but we both know that we are a part of it.
Also worked in the front of that ship. Left hand seat
@@jayj6951 😉 captain … I bet you seen me on many gate calls at LAX 🤙 don’t be shy. Say hello
*0A* is the best seat in the office. 👍👍
And from one of the Students of (not these airplanes much smaller ) thank you for maintaining these and all types of aircraft and also from someone who works on them also (much smaller airframes ) your welcome 😂😂
I love flying em and I love fixing em.
As a retired airline captain I was always thankful for the maintenance I received from guys like you. It made my life easier and safer. Thanks for the job you guys do.
Thank you Captain. Much appreciated sir.
As a mech, I use to jump seat a lot. Enjoyed the ride. Great education. I had a M20e
Brother, I am just a private pilot with my commercial and IFR rating… your channel is going to the moon! Keep this content going! Not only does it help non aviation people feel safer that you are there on standby but for aviation people like myself, I love the background of everything! Seriously, from the bottom of my heart, good luck! I subscribed in the first minute, it’s only one, but… it will grow! Take care and thank you for keeping us all safe up there!!! Nothing but the best to you and your team.
Thank you so much for your kind and thoughtful words sir. It’s a pleasure to have you here and I’m very happy you are enjoying it. I got plenty of fun videos with lots of adventures in aircraft maintenance. If you see anything that you find interesting, don’t hesitate to ask questions. I’m always here to listen, teach and learn.
You all are just as important as the pilots. Good work!
As an A320 Capt I find these kind of content very interesting. It's always good to know what's going on and how things work outside of our flight deck "bubble". Good job!
Thank you captain. And it’s a pleasure to have you here.
As a flight attendant I always remember to thank the unseen people that make aviation safe for all of us,, and that's the ramp crew, the passengers don't see them, they see us flight attendants mainly, but the unsung heroes are the ramp crew. Thanks guys for keeping all of us safe.
It’s our pleasure as mechanics to keep you safe in the sky. And thank you for all your hard work you do in that sky. I have seen flight attendants training… INTENSE..lack of a better word.
Great work Stig. A lot to deal with but you sorted it really thoroughly. Thanks for the video of “things we rarely see”!
Glad it was helpful! Thank you for being here and enjoying
These videos are perfect; not too dumbed down, and not too complex in vocabulary. Great content! Makes me regret not going after my A&P license
Glad you enjoyed it Mark Thank you for being here
I have an irrational fear of flying. It is not stopping me from flying mind you but it can at times be stressful. Watching your channel, understanding the redundancies in place around, well, pretty much everything has really helped me. Knowledge is indeed power. Thank you.
Thank you for saying that and I’m very happy you enjoyed it and learned.
Flying is the safest way to travel statistically speaking. You are more likely to die driving to work than flying.
It’s not irrational, that vertical component coupled with gravity will kill you deader than a doornail!😂😂😂
I hope you find good ways to manage those irrational thoughts. I had similar issues with heights, but it wasn’t until I started addressing general anxiety disorder that I noticed my fear of heights was greatly reduced.
Stay strong!
Great Job, from a retired Facilities Manager, it's great to see the Attention to Detail.
That's what really make the difference between just getting the Job Done and going the Extra Steps.
Thanks for showing the Brake Cooling Fan, always wondered how all the heat is dissipated after hard stops.
Incredible amounts of heat generated by way of Force/Resistance, all inside an area surrounded by giant Tire.
Thank you very much Jax. Much appreciated you being here and sharing your thoughts with us
I was aircraft mechanic for 22 years it was the most satisfying job I ever had.
Then my health got in the way and ended my career but I miss it every day the bond you develop with your fellow mechanics can't be explained the road trips to retrieve broken plane at outstation and sometimes have to spend the night at the hotel where the crew stays also and get lucky with the flight attendant that likes to go out on the town of course it helps when you're not the first flight in the morning.
I bet you got some good stories. And you are right. The bond you create with coworkers is amazing. You become like family.
Any advice for getting into this work? I do maintenance at Amazon rn.
bro i have completed the AME course but i never landed a job think you can help?
@@mominyusha3282 they are hiring everywhere I can get job TEB with sign on bonus.
Amazing Video! Interesting to see 2 wheel tie bolts shearing together. We typically check to see if the right procedure(s) were used during wheel assembly (i.e. bolts tightened in a criss-cross pattern. Otherwise you run the risk of few tie bolts in a severely stressed condition). Checking to see the number of hubs and NDT inspection the bolts have gone through is also helpful in identifying if the probable cause is indeed the bolts. If wheel assembly procedures and time on the bolts are noted to be satisfactory, we may look somewhere else.
This was quite interesting...and we were all a bit puzzled... but regardless of that we were happy to get it all fixed... we also submitted a safety report to the overhaul facility to see why this happened... hopefully this was just a fluke.
I got to go into the cockpit of this bird a few weeks ago. First cockpit I have ever been in, got to sit in the captain’s seat and everything. It’s an honor that you worked on the very bird I got to fly in. N400AN is a very nice airplane!
I’m so happy you got to enjoy that and experience that Alex, fun fact, aircraft 400 is the very first 321 Neo we got for delivery
@@StigAviation Ha, that’s so cool!
I am VERY happy and pleased I discovered this channel! I would not let it go!!! Congrats for a great job!!!
Thank you so much! Thank you for being here
Good to know indigent, passionate, and hardworking guys like you are still fixing aircraft... for now.
Thank you for the kind words Jordan
Having 39 years of experience in automotive Ive worked on nearly every except airplanes and trains, I think this is very interesting and a very well put together video. I’ve seen some other ones you have they’re all great thank you for sharing it.
Thank you so much for being here and enjoying it. I appreciate it.
"Why am I showing you this" cuz your awesome?, that's why . I can tell by your commentary you take pride in your work, work ethics, and quality of work. Great Video. Thank you.
Thank you very much. I appreciate your kind words.
This was a fantastic walk-through! Thanks for going to the trouble to document and share! ❤ Bravo! 👍
Glad you enjoyed it! Thank you for watching Duncan.
You sure confirm again and again how safe the systems are every time I watch your phenomenal videos- thanks Stig you are the Aviation Gig to watch
I appreciate you watching and thanks for the compliment!
Great video stig, cool to see how much vigilance there Is amongst you guys. Give me real confidence to fly thank you Stig
Thank you so much for your kind words... i truly do appreciate it.
You and your colleagues do a great job, keep the videos coming stig
Good video that I forwarded to a young neighbor thinking of a career as an airline A&P. I hope he is inspired and gets to work for a big airline in a couple of years. Stuff happens; lucky there wasn’t any damage to the axle.
I hope your neighbor enjoys it, let me know if they have questions about it.
As a passenger and a (GA) pilot, I thought this was an outstanding explanation. Thank you. Love your enthusiasm for the problem solving and safety aspect.
Thank you Scott. Much appreciated. And thank you for being here and watching
Dude, that was freaking awesome. Incredible job for you and all those involved.
Thanks a ton! I appreciate it
Thank you for doing what you do and taking so much pride. You keep the skies safer each day! And your transparency and education are very valuable!
It’s my pleasure Sir. Thank you for being here Jeff
Awesome video! I find it very interesting to see what goes on behind the scenes. As always keep up the great videos! Cheers!
Thank you very much!
It always amazes me that people can be nervous of a defect on a plane which is throughout checked at regular intervals, yet there are people driving around in no inspection states.
Great work as always man! Thank you for keeping us all safe.
You make gray point there. Thank you very much.
Thank you for your professionalism and dedication to safety. You folks are essential!!
Thank you for the kind words. I appreciate you
Mr Stig. I know you know, that one of the most important tasks you do, after the inspection and before fixing, is to accurately diagnose the problem. It's very evident by your videos. Congrats to you and your crew.
Definitely important knowing how to read and interpret manuals to diagnose the issues correctly
In Ops, I've seen you guys come out to many emergency aircraft that can no longer taxi and change the tire on the rwy. Amazing watching you guys from the comfort of my Tahoe...in August...in Houston. Great job.
Thanks for describing the "stuff" we find on the rwy during our inspections.
We try to do as much as we possibly can to help. And I have gotten quite interesting photos from some of my friends at LAX ops asking me what that part is.
I love watching how intricate commercial jets are. It’s fascinating and please keep making these videos.
Will do. Thank you
Great video! What an unusual string of events; tie bolt failure, brake damage and subsequent tyre damage, nice works guys!
We were all very happy to catch it before any further damage. It all worked out.
It amazes me the technical intricacy of those machines, yet those guys make it look so easy. Thank you for sharing....
Thank you for watching. And in reality it’s not that hard to work on. We have really detailed manuals we follow. It’s genuinely step by step instructions. It’s a fun job
Just started my 2 year A&P training and these videos are so fun to watch, it's a cool look inside to what I'll be getting myself into, thanks !
Keep up the good studies, you’re gonna do great. I’m glad this is helping you. Don’t hesitate to ask questions. I’m here to help.
I’m currently working right next door to Gatwick airport, I’m a mechanic I’m repairing the airport vehicles. Never get bored of that thundering sound as they take off. Very interesting to see that description of your repair.
I’m very happy you’re enjoying it Peter. Thank you for being here sir.
As a Supply Technician...i know the amount of pressure on you guys...i do respect all the Efforts and works on that...such an important part of Flying....
Thank you 👏🏻 💐
🇸🇦💯👍🏻🌴
Thank you very much. I really appreciate you saying that. Thank you for being here.
I am not a mechanic, but you explained this so well, I understood this! Thank you for your video.
I’m very happy it was all understandable Vicky. Thank you for watching
Just got hired on at American Airlines here in Charlotte.,NC and in school to get my A&P your video's are great
Thats Awesome, Congratulations... keep up the good studies... don't hesitate to ask questions... i'm here to help
@StigAviation Thanks really appreciate it. Done with my general classes so gone take that test soon. Going into Airframe or PowerPlate next. Any tips on the general test?
@@williamcook4315 word association for passing the written tests. Remember the basics for the O&P
@@StigAviation Appreciate
Your videos are invaluable for aviation. Passengers then feel safe. Good Job. You and your colleagues cannot be seen. It's good that you're there. ❤
Thank you very much. I appreciate you watching.
Thanks for all your years of service.
Question how many people Cycles do you think it went through before I spotted it?
It probably happened on that flight. Because it’s not something that can be easily missed. And thank you
@@StigAviation
Thanks for taking the time to answer. Stay well.
I remember in a later video, you dealt with a flat tire due to a valve core that failed in the stem, while a rare occurrence, it has been known to happen, I've changed out many myself. But I was not prepared to see the damage done to this wheel and break assembly, as well as the blown out tire on this one, wow! Hear I was asking myself, what caused this unfortunate disintegration? So it was a tie bolt in the split rim design, dang! I agree, whole new wheel assembly, break assembly, and tire required for this one! 200-PSI? Dang, thats a lot of pressure in those tires! Funny how the break pistons sound like cranking over an engine. I love how you give all those hearts of love. 💓 I've watched so many of your video's, and am learning so much. You have massively improved your video production in the modern stuff though, and everytime I have a question, you seem to answer it in an older video, so I don't have to ask lol. I know, your awesome.
I’m glad it’s working out well, and I am trying to do better every video and try to include as much information as possible.
@@StigAviation From my heart to yours, I appreciate it. 😃
Love how you kept your colleagues safe!
They are my friends and colleagues and incredible mechanics. Safety is priority number one
Very interesting. There's so many parts and knowledge that goes into these planes for them to be safe. Thank you for showing us, and your work.
My pleasure. Thank you for watching
i had zero interest in this industry, until i asked a friend of a friend what was he doing, newly joined aircraft trainee technician and shared your vids and the contents in this channel, is priceless. surprised all these aren't restricted stuffs.
I’m glad you and your friend enjoyed it. And there’s no restrictions here, this is commercial aviation. There are no secrets here.
This takes me back to a long time a go... working in the wheels and brakes overhaul shop at Schreiner at Maastricht airport. Good times! Mostly Dash 8, ATR 42/72, Embraer 120 and F27 F50 stuff, but we did get to put an AN124 back into service wich had been impounded at Maastricht and had stood on the side of the ramp for several years wich was pretty cool for a 24 year old me.
Hold onto those good memories, sometimes we get to see something amazing, and it stays with us for a long time
Thank you for these videos I’ve been doing a/c maintenance for 2 years and I’m more comfortable with narrow bodies specifically airbus.. but I’m not to familiar with widebodys your videos have helped me a lot
I’m glad it’s helpful and don’t be intimidated by the wide body bird. Just takes time to learn them and you’ll need a ladder 😅. But overall the wide body aircraft are generally easier to work on.
Much respect for those who design, engineer, fly AND maintain aircraft. Great video!!
Many thanks
Great video as always thanks for showing these types of random occurrences.
My pleasure! Thank you for watching
Great job. With people like you we can travel safely. Thank you.
Thank you for the kind words
Did you call for FOD inspection of the runway after this came in? It seems likely it would've left something behind.
All the damage was contained, and no foreign object debris was reported by airport operations
@@StigAviationGood to hear!
Nice video showing good details, but I was wondering why you did a taxi test? AMM doesn't call for it (we can't do it here under EASA now anyway) and your delay would have been less
Because I was not satisfied, I wanted to make sure that it was no other issues. That is my prerogative as an aircraft, maintenance technician, if I choose to taxi and aircraft to make sure the aircraft is deemed to be airworthy, then I will do so. at the end of the day it is my signature that is approving that aircraft to be airworthy, I will not put people on board unless I am completely satisfied with the product I put out.
From a layman who loves planes and aviation,that was excellent.just found your channel.👍
Welcome aboard! And thank you for being here and enjoying it.
Another great video, Stig!!!!
How about a visit to stores?
Maybe one day! i would need to ask permission for that.
Excellent Job Stig!! - Quality Work!
I appreciate that
Appreciate the whole video, excellent work! Thanks for keeping us safe and helping us get where we need to
It’s my absolute pleasure, thank you for being here and watching
Stig, my fascionation towards aviation is nothing but recent and i certainly did not expect to end up on this path at all. But it was only when coming across one of your videos a couple months ago that i actually decided to take a leap and pursue this beautiful path. Thank you for the reassurance and passion you show on your videos, its truly insightful and i am prepping myself to start studying next year.
Gotta cheer up on that amazing work that you do, thank you again.
(Also, if you see this comment, what happens with the tires you remove? Are they disposed? Sent back to someone?
Also, the sound of the pistons was astounding, truly beautiful.)
Glad you are here and enjoying it all. And to answer your question the tire and whole wheel assembly will get sent out to an overhaul shop. If it’s still usable they will recap it. If not then recycled. 👍
Hay Stig I notice that you do not bleed brakes after changing brakes I am a retired TWA mechanic working powerplant at LAX, I want to thank you for what you are doing for all the hard working and dedicated A & P's keep up the great work you are doing TWASMUDGE
How are you brother, and just want you to know that we did bleed the brake I just did not get the chance to get it on film. By the way, I still work with some of the TWA mechanics that are still here. Some of the best mechanics I’ve ever worked with.
Do you have to rebleed the entire brake assembly, or is each wheel separate? Dang there's a lot pistons in that caliper, bet that wasn't a cheap. Thanks for showing the parts diagram it helps wrap my head around it. When I was younger my neighbor was killed working on a split wheel setup like that, but for heavy equipment. The pressure behind those Hydralic, pneumatic systems is scary when they fail. Anyway great job on the repair, stay safe.
I did not have to re-bleed the entire system just that one break, it ties in to the rest of the system. I’m sorry I just didn’t get a chance to show you how we bleed the break. But yes, we do perform that action.
Wow you just brought back memories for me when I worked at the ATL Hartsfield Airport. Great work!
Thank you Jude. I’m glad I brought back fond memories.
I'm on the 320 series, and THANK YOU for a great job. I trust my life to our mx men and women.
We fix You Fly. 🤙 I appreciate you being here, thank you for watching.
Thanks for this very informative video on the A321 tire/wheel/brake assembly. As well as explaining the failure and redundancy
Thank you for watching. Glad you enjoyed it
Very informative, quick diagnosis of sheared wheel rim bolts that wrecked the brake pack and cooling fan disc housing. No toys chucked out the pram, just fit the new wheel tyre , brake pack and cooling fan disc housing. Regarding the noisy fan ,it is no noisier than the radiator cooling fan on a Scania Slug bus.
Glad you enjoyed it, I appreciate you watching.
Yes, the methodical way of changing damaged undercarriage parts not too fast even though the aeroplane is parked at the gate and not earning, safety comes first. @@StigAviation
Pretty awesome that you had a caliper/brake assembly kit on hand. Those looked to be 3/4 or 1 inch bolts, and I assume they were Titanium. Did you send them in for testing? 18 Qty 1" bolts should have an amazing amount of tension strength , and I would love to know the root cause of failure. Titanium is also extremely resilient to heat cycles, so I doubt anything heat related would cause the failures.
We usually have the most common parts on hand, which is wheels and brakes, and we did send out the damaged bolt for analysis. It seemed to have been a defective bolt.
Those bolts are metric.
@@dadgarage7966 no they are imperial. All commercial aircraft are SAE standard
Great job with the video and the commentary! We pilots feel safer with you guys doing the hardest work ensuring our safety on the ground and in the air! Keep up the good work and thank you 😊😊😊
Many thanks Captain 🫡
Thanks for keeping us safe
It’s my pleasure. Thank you for watching.
Very interesting, indeed! This is one of the best marketing tools American has, and it comes from those making things safe and ready. Love the pride you have in your work!
Thank you so much Edward, although I do not represent my carrier, I do like to showcase aircraft, maintenance and the pride we take in safety.
Im annoyed at UA-cams algorithm that it knows I love planes and and increasing interest in mechanical repairs and it didn’t recommend your channel to me sooner. Subscribed!
Glad to have you here. Happy you are enjoying it.
Just wondering - a million years ago when I worked aircraft maintenance, no hats were allowed to be work on the flight line due to potential FOD hazard. I take it that changed?
Yup it has changed. Now they issue us hats as part of our uniform. Although I’m not complaining. I love wearing my hat, keeps the skydrol off my head 😅
Very educational. Excellent narration. I subscribed.
Thank you very much. I appreciate you being here
Amazing Story. Thank you for sharing this!
My pleasure Dave
You forgot to ask the fan “Why are you so loud?!” Which is becoming one of your signature sayings. 😂 In all seriousness, great explanation and video.
Love that! lol that fan is so darn LOUD lol
Thanks for taking the time to make these informative vidz 👊
Glad you like them!
That’s an interesting one with the tie bolt failing and jamming the brake assy. I once had a main wheel on a Gulfstream IV come apart on takeoff out of San Juan. We didn’t realize it until the tower told us we left something’s behind on their runway.
Glad you landed safely. Did you find out why it happened?
Yes, though I NDTed the wheel at every tire change a slight crack was there from day one that never got discovered over roughly 20 inspections. All the parts were sent to a lab that Gulfstream used which created about a 40 page report with pictures from a microscope camera. Fortunately only a drain mast and an opposite side wheel speed sensor got wiped out with us landing in Miami uneventfully.
@@douglasslotolowicz9454 the one that got away. Factory defects or just bad luck on that wheel. Most importantly you walked away. I call that a win.
From Ontario, Canada, thanks for the video, very interesting and informative!
Glad it was helpful! Thank you for watching
Good stuff guys! Thank you this informative vid and of course your dedication to air safety!!
Thank you so much Rob, I appreciate you being here and watching
Hopefully AirBus has a notification requirement to notify trends in failures? Great job!
Indeed they do, and it’s more to the wheel assembly manufacturers than to Airbus. But yes They were notified with a safety report from us.
Thank you for sharing this! Was this at an airport that had American Airlines heavy maintenance hangers and if so, was one of those overhaul mechanics sent to assist? How long did the repair and taxi take?
@@lappy0749 heavy maintenance wasn’t involved. Line maintenance did the work and the whole process took 4 around hours
@@StigAviation So Line even had to get rid of that scrap tire and mount and balance a new one?
@@lappy0749 we don’t scrap the tire. We remove and replaced the old one with a new one. The wheel assembly comes pre balanced from overhaul shops.
@@StigAviation Got it. Thanks for the insight.
Excellent video. Many disasters averted due to alert aircraft technicians. An investigation should've been initiated to discover the failure of the Tie Bolt. That's not suppose to happen. Keep up the good work!
Absolutely. Attention to detail is the key 👌
Great video! Just wondering if a runway inspection had to be performed to ensure there were no broken parts on it.
I’m sure airport operations are doing that, they do runway inspections on a periodic basis.
How much of the aircraft are you certified to repair and troubleshoot? Love these videos, always wanted to be an airplane mechanic.
All of it, nose to tail and toilet to tires. We fix it all.
@@StigAviation wow ,never knew that you were qualified for the whole aircraft.thats amazing the knowledge you guys have and have to learn! From cleve oh thanx for the reply.again love the videos,and thanx for keeping us safe,have to fly this march.
Gracias los aficionados al mantenimiento agradecemos tener estos vídeos para los momentos en que no hay un colega
Thank you very much.
That's very impressive and reassuring. All those pesky little shards and pieces are FOD. How do you manage to recover all of this while working on the line? I'm sure it's done but I'm curious as to how it is. Thanks for your excellent and interesting videos.
Thankfully, in this scenario the FOD was all contained, nothing seemed to leave the aircraft, but we also informed airport operations to do a sweep
Great video, great content. I'm interested did you bleed the brakes and how is it done? And why didn't all pistons pushed the brakes in test mode? Very interesting all together, keep up the good work!
We did bleed the brakes via a shrader valve, I just didn’t get a chance to show it. The pistons have a dual redundant system, normal braking and alternate braking. We test both systems, hence why you see only one set moving at a time.
@@StigAviation thanks for clarification, good to know how airplanes are working and how people like you keep them running and keep us safe. Thank you and all the best!
As a retired commercial pilot (not airliners) I found that really interesting. Are you able to let us know how effective the brake fan is? I'm curious because I read somewhere that if the aircraft has the brakes a bit warm especially after an RTO that when they get cool enough to fly and the brakes are still a bit warm then the pilots can leave the gear down for a extra seconds (can't recall for how long but it wasn't much due to going over the retraction speed) to cool the brakes down. I guess at a 200kts the airflow is the great cooling equaliser. Obviously the brake fan isn't that effective but am curious as to how effective it is.
Thank you for the interesting video. Will now have to watch others. 👍👍
Believe it or not, the brake fan is very effective, I have seen brakes come in that are close to 450°, and I turn on the brake fans, they cool down back to about 200 to 150° within 15 to 20 minutes. And yes you are correct pilots can leave the gear down For about 2 to 5 minutes and it definitely helps cool it down. But the brake fans themselves also help a lot when the aircraft is parked at the gate.
@@StigAviation *Wow* that's quite a mass around the brakes and to cool it down that much in that time is quite amazing. That would really speed up the time needed for cooling after a high speed RTO. I really appreciate you posting back and letting me know that. I wonder why Boeing haven't incorporated them into their MLG.
Have a good one and Thanks again and I hope you keep enjoying your job until you retire or decide on a career change. 👍👍
The brake fans are very effective. They also used on a standard turn around to cool the brakes before the next takeoff, they are not there just for RTO’s
Pretty cool you can test drive it. I would have figured you'd ride along while a pilot does a lap.
We have the qualifications to taxi.. until i'm satisfied with the aircraft and its safety..only then i'll let the pilot have the aircraft
That must be $$$$$ of brake wrecked!
Are there multiple discs/pistons to allow fine grain control?
Indeed, a very expensive brake assembly. And yes, there are multiple discs and multiple pistons in a circular pattern.
wow so cool! I'm left speechless! thank you to you and all aircraft maintenance techs.. amazing job! thank you for your services! very fascinating to watch! thank you for letting us watch what happens on your day!
It’s my pleasure!
love your channel, im surprised people are interested in aviation maintenance, love it
Glad you enjoy it!
@@StigAviation I’ve been subscribed for awhile but I got a call about dragging brakes from a buddy in San Diego on an A330 and I went down this rabbit hole 😂
I doubt it was the tie bolt that caused the issue. It was probably the torque from a seized brake assembly that caused excess stress on a tie bolt because the wheel was locked up on landing
No, it was a defective tie bolt. We got the results from the testing. It was simply a defective tie bolt.
Thank you so much for the helpful instructions. I’ll be changing the brakes on my 747 when the parts come in
Awesome. Good luck and make sure to be safe. Even tho this video was on an Airbus. I’m sure you’ll figure it out 🙃.
Pictures worth a million dollars...CYA, personal safety and team safety first... Great job... hope your being paid well
Thank you. And yes I am. It’s an amazing job.
Very well explained and a thorough job. Top work. Thankyou
Thank you very much Steve. I appreciate you being here and watching.
Did this many times, but am finally retired from the airline business. The planes can fly themselves but they can't fix themselves, it's the grease & oil stained mechanic that plays a very major part in keeping them airborne. FLY NAVY!!!
You said it perfectly sir. And thank you for your service 🫡 Navy all the way 🤙
Awesome channel! Thank you so much for your hard work and keeping us safe out there!
It’s my pleasure and thank you for being here
Maaaan…I arrived from HND on the 10SEP and stood in LAX for the whole day waiting for a good flight to MIA.
When i boarded the flight i remembered you….i saw many techs walking the boarding area, i could have asked about you, Stig. 😢
Most likely that was me. I usually work both those flights. The HND and the MIA flights. Message me on Instagram next time if your at LAX. I’ll stop by and say hello 👋
@@StigAviation- Sure i will !!! Y'know how gets our mind when we travel non-revenue....we forget abt everything else but the travel planner and waiting lists.
lol
Any concern about FOD on the runway it landed on?
Airport operation usually runs consistent foreign object debris checks on the runway. We notify them about this.
Further to my "good enough" comment, how do you deal with the pressure to get that plane back in the air?
Pressure doesn't affect me... my priority is safety first... ill ground the aircraft if i have to if i don't feel or know its not safe... its my signature on that airworthiness and those souls on board are my responsibility. In regards to doing the job fast but correctly..well that comes with experience and knowing how to follow procedures.
Any reason for the aspect ratio being tall vs wide?
It’s because Stig held the phone vertical instead of horizontal that’s all.
Vertical suits this situation really well.
Cushion.
Love vertical, it's the natural way of holding your phone
i cater more to the mobile phone user... its easier to watch like that.. i do apologize if its a but of a issue when watching at home on PC
Do you guys inflate the tire in a cage for the first inflation? And being that it is a split rim is there an inner tube or do the halves seal together with some type of seal or o-ring?
The tire already comes pre-inflated from manufacturer or overhaul shop. And there is no innertube in that wheel assembly. The rim bead seals it.
On all the split wheel hubs I have seen there is an o-ring between the 2 halves
Are the brake fans for faster aircraft turnarounds?
Yes Tori that’s exactly what it’s for.
On the CRJs I work on, the wheels have a retainer that hold the tie bolts in place should the nut end shear off. I've actually found two wheels with shorn tie bolts and luckily neither incident caused any other damage. Just stuck new wheels on and they were all good.
Glad to hear it didn’t cause further damage. That sounds like a smarter system on the CRJ. I personally never worked them. I learned something new