Wetenschap en technologie

UNITED 328 Engine Failure! WHAT CHECKLISTS did the pilots use? Explained by CAPTAIN JOE

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Dear friends and followers, welcome back to my channel!
On the 20th of February 2021, a United Boeing 777-200, registration N772UA performing flight UA-328 from Denver,CO to Honolulu,HI (USA) with 231 passengers and 10 crew, was in the initial climb out of Denver's runway 25 when the right hand engine's (PW4077) inlet separated associated with the failure of the engine. The crew declared Mayday reporting an engine failure. The aircraft stopped the climb at about 13000 feet, the crew requested to return to Denver after running the checklists. ATC offered any runway, they would make it happen. The aircraft returned to Denver for a safe landing on runway 26 about 23 minutes after departure. The aircraft stopped on the runway for a check by emergency services. Emergency services advised of an active fire within the right hand engine and extinguished the fire a few minutes later. The aircraft was subsequently towed off the runway to a remote parking stand, where passengers disembarked and were bussed to the terminal. There were no injuries.
The engine inlet fell into the neighbourhood of Broomfield,CO, located about 16nm west of Denver near 13th and Elmwood Street, the debris also struck through the roof of an adjacent house.
Broomfield police reported that although debris impacted the neighbourhood and damaged a number of homes, there were no injuries on the ground. The debris field expands over a nautical mile.
Ground observers reported hearing the sound of an explosion like bang, smoke and saw the debris falling down. The aircraft continued flying.
Watch the video to learn more about what happened!
Thank you very much for your time! I hope you enjoy this video!
Wishing you all the best!
Your "Captain" Joe
Big thank you to all other youtubers who provided me with the video material to create this video. Your content is highly appreciated. Please follow their channels:
@Discovery Channel
@José González
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  1. J Pol

    J Pol

    5 uur geleden

    They made a tight left u turn and could have lined up for the runway they took off from. That would have been the quickest route to landing. My question is why would they buy time in the air by passing up that runway and circling in from the opposite direction, just to complete the checklists, when they could have set down sooner? Should a crippled air craft try to stay in the air to complete checklists if they are inline for a much quicker landing? That seems like they are taking a much bigger chance of crashing by staying up! Please clear up this question of landing immediately or staying aloft to complete checklists! I feel they should have landed sooner on the same runway without completing checklists since it was offered to them. Thanks. Great video. Jpol.

  2. Daniel G

    Daniel G

    5 uur geleden

    I hope the entire flight crew gets a raise.

  3. ToxicVaccines ToxicFluoride HIV HOAX

    ToxicVaccines ToxicFluoride HIV HOAX

    5 uur geleden

    What happened to the exes fuel on the plane? I understand pilots must dump in the air the remaining fuel on the fuel tanks before landing to reduce the risk of fire.

  4. Peter Rygiel

    Peter Rygiel

    6 uur geleden

    If that sucker lands in my yard, good luck getting it back !

  5. karim.dojacat


    11 uur geleden

    did u talked german? 😊 i heard- wunderbar

  6. Black Widow Wood Design

    Black Widow Wood Design

    11 uur geleden

    God bless the professionals

  7. 3D FPV Prints

    3D FPV Prints

    12 uur geleden

    These people are so lucky they had someone that could stay calm and handle the situation. The training these pilots receive is top notch as they always have so many lives in their hands. Great job pilots!

  8. Alessandro Della Casa

    Alessandro Della Casa

    13 uur geleden

    What does the NTSB personnel do when they're not investigating on an accident? Would be interesting to know about their stories like if they're engineers and they are called out from their ordinary job to work for the emergency for a period of time.



    14 uur geleden

    Fantastic explanation in its entirety. Also, excellent calm composure of all involved is very crucial. For the safe landing and passengers safety, a big kudos to every one!

  10. PatriciaWSchroeder J HowardBAlexander

    PatriciaWSchroeder J HowardBAlexander

    15 uur geleden

    The premium palm interestedly desert because numeric densply dust plus a nosy file. wandering, madly men

  11. Marilyn Guinnane

    Marilyn Guinnane

    17 uur geleden

    My husband was Chief Flight Engineer for an air freight co. He said that computers replacing the F/Es was a very bad idea and time would prove him right.

  12. Vic D

    Vic D

    17 uur geleden

    Great video and information

  13. Bobthreetimes


    21 uur geleden

    Love the Big Yoshi’s lounge

  14. jas bhanga;

    jas bhanga;

    22 uur geleden

    The brave bill presumably box because front whitely shrug beneath a polite history. swanky, keen cupboard

  15. Enrique Morfin Macouzet

    Enrique Morfin Macouzet

    22 uur geleden

    Remids me that MAYDAY episode when the stupid pilots turn off the good engine and only relied on the turbine that was on fire and they all died... Let know the flying attendant if you see something wrong... tell them is the wright turbine .. tell the pilot is the wright turbine on fire... do not turn off the left turbine.. wright turbine of fire, left turbine is OKKK WRIGHT TURBINE IS ON FIRE!!!!!! Lol..

  16. Olhayeh Ali Olhayeh

    Olhayeh Ali Olhayeh

    23 uur geleden

    Good analysis

  17. Fragarbai


    Dag geleden

    Mens and women vs boys and girls. Praise was given to all hear. It was different though depending on whether you were the men and women pilots flying the plane vs those boys and girls that are cabin crew holding everything and everyone together in the rear.

  18. celkat


    Dag geleden

    Thanks for this excellent video! Do you know if any fuel had to be dumped during this incident? And assuming fuel needs to be dumped in a situation like this, are measures taken to do so over uninhabited areas?

  19. Bull chrome Empire

    Bull chrome Empire

    Dag geleden


  20. ToTrigger Snowflakes

    ToTrigger Snowflakes

    Dag geleden

    If the FAA warned you a Boeing Plane had a 35% chance of crashing, would you fly in that plane? If your a simple moron you would. 65% success rate on a Vaccine for people over 65 years is extremely poor odds. Trudeau is dicing and playing with death with the old people, He at best is offering a plane crash.



    Dag geleden

    "But the NTSB report will state what the actual cause was for the engine failure" I find idiotic statements like this to be hilarious. ( A very dense - heavy FAN BLADE BROKE APART while spinning at high speed. ANYONE can see it missing etc . . )

  22. Freddie Kemp

    Freddie Kemp

    Dag geleden

    Great video Joe

  23. Michael A

    Michael A

    Dag geleden

    Great explanation Captain Joe! I (a non-pilot-type) learned a lot. Will be waiting for your NTSB report FOLLOW UP video! Thanks! Reno, NV

  24. Preston Britton

    Preston Britton

    Dag geleden

    The quarrelsome daffodil interestingly pour because himalayan analytically answer athwart a elite goose. slim, ancient silica

  25. cory calloway

    cory calloway

    Dag geleden

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  26. Ephraim Mathapo

    Ephraim Mathapo

    Dag geleden

    Fly safe Joe.

  27. Otto R Nuila

    Otto R Nuila

    Dag geleden

    Capt Joe this is great analysis and commentary. The voice of a PRO.... from retired UAL Captain

  28. Ngan Stanfield

    Ngan Stanfield

    Dag geleden

    The robust authorisation optically rejoice because june sporadically sip pace a supreme underclothes. savory, loving attraction

  29. Larissa346


    Dag geleden

    Fly the aircraft firsta

  30. ChiefJudgeDredd


    Dag geleden

    Very good, well explained by SFO Joe. Nice video.

  31. ChiefJudgeDredd


    Dag geleden

    “Captain”Joe with only 3 Senior First Officer’s Stripes !

  32. Andrew L.

    Andrew L.

    Dag geleden

    Engine exploded. There you go.

    • zijuiy wttuy

      zijuiy wttuy

      Dag geleden

      Amazingly insightful video!

  33. Nara Cruz

    Nara Cruz

    Dag geleden

    God bless you

    • zijuiy wttuy

      zijuiy wttuy

      Dag geleden

      incident in 2018. This is what happens when airlines and manufacturers get stingy with seat mile costs and force 4 engined aircraft out of production.

  34. Mijo Vrvilo

    Mijo Vrvilo

    Dag geleden

    Great video as usual! 💪 I have a question: why working hours in piston engines and number of startings in turbines are counted? Is it related with bearings for turbine shaft (I suppose that will be oil or gas bearings) or is it some other reason? I can't find answer and Captain Joe will know for sure 😁 Thanks!

  35. Bernard Quao

    Bernard Quao

    Dag geleden

    I admire his aircraft knowledge

  36. Robo Da yobo

    Robo Da yobo

    Dag geleden

    You’re not a captain mate /probably a decent FO though 👍😀

  37. carbon wolf

    carbon wolf

    Dag geleden

    I was wondering, how airports deal with power outages or electric system failures?

  38. TRELL5044


    Dag geleden

    Good job

  39. BeatzBoy123 123

    BeatzBoy123 123

    Dag geleden


  40. Leo Li

    Leo Li

    Dag geleden

    Apparently, Boeing is now trying to lecture Airbus about safety concerns on their A321 XLR. When will they shut up and solve their concerns first?

  41. Alan P

    Alan P

    Dag geleden

    I assumed our aviation industry, pilots, crew, traffic controllers ,etc are very competent and capable. But I never realized how great these people really are. Outstanding team work and an amazing analysis by captain Joe. I just subscribed and can’t wait to watch more. It makes me feel very proud of our airline industries in the free world. 2 pilots are a must.

  42. ward schuler

    ward schuler

    Dag geleden

    Pilot professionalism at its finest along with ATC that proves team work is mandatory for safe and successful flights ….

  43. FlyingHangman


    Dag geleden

    I think its pretty clear what the cause was.... clearly, someone didn't turn off their cell phone

  44. Terence Scott

    Terence Scott

    Dag geleden

    United + Hawaii = Bad Combination. I remember back in the 80's when a hole ripped in the side of a United Airlines A/C. 9 died.

  45. Defund The Left

    Defund The Left

    Dag geleden

    You remind me of a dodgy snake oil salesman.

  46. Meredith Johnson

    Meredith Johnson

    Dag geleden

    Fantastic explanation of problems and solutions. Emphasis on team effort obviously necessary. Thanks for your expertise.

  47. Icy Sky

    Icy Sky

    Dag geleden

    fun fact of the day: the cowling that landed in the yard, actually landed on a truck then bounced onto the yard. truck was totaled

    • daman51


      Dag geleden

      At Farmers, we know a thing or two, because we've seen a thing or two.

  48. GeorgesCanvas


    Dag geleden

    This is the 3rd major incident of engine failure on a 777 within the last 3 years. Have a look at the interview Captain Benham gave on another youtube channel after the UAL1175 incident in 2018. This is what happens when airlines and manufacturers get stingy with seat mile costs and force 4 engined aircraft out of production.

  49. Bas van der Lans

    Bas van der Lans

    Dag geleden

    Amazingly insightful video!

  50. Олександр Муха

    Олександр Муха

    2 dagen geleden

    thanks captain Joe!

  51. Martin


    2 dagen geleden

    11:35 - GRASP ???

  52. kirstystar74


    2 dagen geleden

    Hi Joe! Thats a great Video. You could so some more Videos from incidents with happy end. What so you think about that? Müssen ja keine Abstürze sein. Ich finde das unglaublich interessant, was die Piloten dann machen. In dem Fall im Video ist es ja zum Glück auch gut ausgegangen.

  53. Big Gay Bear

    Big Gay Bear

    2 dagen geleden

    Excellent, thanks Capt Joe

  54. Robert Bedding

    Robert Bedding

    2 dagen geleden


  55. Jim Latour

    Jim Latour

    2 dagen geleden

    Great rundown of events. Very thorough. Passed this to my son who wants to be a pilot. Watch this guys videos. Good stuff.

  56. Warrantti


    2 dagen geleden

    NLcamerasr captain Tapio on the move is out of job because corona. Could you help him out get a job in flying cargo?

  57. numbr17


    2 dagen geleden

    Awesome video! Very nicely done. Thanks for putting together a video on this situation. I was looking forward to this.

  58. pete bateman

    pete bateman

    2 dagen geleden

    On a motorcycle you are taught to rev the engine during a u-turn as the spinning engine acts as gyroscopic stabilization. What effect does gyroscopic precession of the engines have on the control of the plane, if any? I guess it would effect pitch and yaw?

  59. Dan Star

    Dan Star

    2 dagen geleden

    Would have been more difficult to do before China Virus.

  60. Carl


    2 dagen geleden

    Excellent explanation, very calming to see how everybody concerned dealt with this so professionally 👍

  61. Paul Henderson

    Paul Henderson

    2 dagen geleden

    Time for the important question: Can they keep the inlet cuz I know I would want to.

    • SupercarGamer87


      2 dagen geleden


  62. Kevin Sanders MD

    Kevin Sanders MD

    2 dagen geleden

    “ with you “ if i say that, other pilots would say i do not sound professional

    • Tom Corwine

      Tom Corwine

      16 uur geleden

      Plenty of professional pilots say that. It may _unnecessary_, but I don’t get what all the fuss is about with that phrase.

  63. AuthenTech - Ben Schmanke

    AuthenTech - Ben Schmanke

    2 dagen geleden

    Fascinating breakdown! Huge kudos to the pilots and ATC

  64. James Cipollone

    James Cipollone

    2 dagen geleden

    You don't turn into the damaged or failed engine because of lack of lift. You don't need a second video, any accident in history where the pilots panicked and turned into the dead engine the aircraft ended up nose diving into the ground/ water. I just saved you another 20 minutes of your life.

  65. JuanManBand


    2 dagen geleden

    Tried to watch this video in Airplane mode but it didn't load 😒

  66. Sara Houck

    Sara Houck

    2 dagen geleden

    Hey Joe, is it flat?

  67. Jeff Crawford

    Jeff Crawford

    2 dagen geleden

    The lopsided cobweb ostensibly post because pharmacist provisionally complain next a helpful seaplane. chubby, public lace

  68. RKGSD


    2 dagen geleden

    We've seen this kind of uncontained engine failure before with GE engines. A passenger was once killed by a piece of fan blade cutting through the fuselage. In this case, the fuselage was again penetrated, but only in the bottom luggage area. I believe Rolls-Royce engines are designed to contain such events. Why aren't GE engines designed with safety in mind.

  69. Silvermane WJ

    Silvermane WJ

    2 dagen geleden

    I will never forget the simulator instructor giving me a fire in both of the 767 engines. The dick! grinzzz.

  70. Ahmed Hadia

    Ahmed Hadia

    2 dagen geleden

    Very educational thanks you

  71. styldsteel1


    2 dagen geleden

    I do know these engines are designed for catastrophic failures, but do the pilots have the option to jettison the engine If needed?

    • styldsteel1


      5 uur geleden

      @The Beast Now that I think about it, I took a tour of the Boeing plant in Mukilteo, WA. I"ve seen the 777 in the stages of being built. and the one I saw did not have engines, but they did have a huge weight somewhere in the front landing gear.

    • styldsteel1


      5 uur geleden

      @The Beast Ok thanks.

    • The Beast

      The Beast

      18 uur geleden

      nope, and even if you could, releasing it would cause a slight imbalance in the center of gravity which will make it harder for the pilots to keep the plane straight

  72. Varun Gupta

    Varun Gupta

    2 dagen geleden

    I'm still a bit confused about the turning preference. I hope you could help explain me. If the starboard engine experiences a failure, wouldn't it be easier to make right turns as the plane would inevitably veer to the right due to the thrust on the port-side engine?

  73. Fredis Paz

    Fredis Paz

    2 dagen geleden

    Great commentary and analysis.Joe .



    2 dagen geleden

    He delayed the landing for the check list. I don't get it

  75. Mark Bhalay

    Mark Bhalay

    2 dagen geleden

    First time watcher of one of your videos. Fantastic material and excellently described. Thank you!

  76. Stephen Yaness

    Stephen Yaness

    2 dagen geleden

    Hey Joe, do you know who was PF and who was on the radio?

  77. Life Reportage

    Life Reportage

    2 dagen geleden

    Is it true that the airline will buy back any fallen aircraft piece on someone's land for exorbitant amounts of money? Back in the '80s I heard something like $1000 per kg. So basically did they make a millionaire out of the lucky house owner?

  78. Thomas1980 Train-Plane-City

    Thomas1980 Train-Plane-City

    2 dagen geleden

    👍SUPER👍Great Video!👍Like

  79. Likook J

    Likook J

    2 dagen geleden

    Leave it to air crash investigation



    2 dagen geleden

    Hey how many Indians are watching this ?

  81. Ramudu123 B

    Ramudu123 B

    2 dagen geleden

    Excellent analysis Sir

  82. F-zero91maru


    2 dagen geleden

    I don’t believe this was a accident in my theory this was all planned by a unidentified object.

  83. Steven Payne

    Steven Payne

    2 dagen geleden

    So are you a captain or a first officer?

  84. Clay Wilson

    Clay Wilson

    2 dagen geleden

    Oh Captain my Captain. Regarding the left-hand turn to go back to KDEN. Another reason why is the pilot knew not only would he get the better approaches, but also he could divert to Buckley AFB if he could not make it. Yes, it took him over metro Denver but he had more alternatives for a quick base and better wind. We had 13 gusting 22 that day due to a low front.

  85. Oro Flows

    Oro Flows

    2 dagen geleden

    Are checklists more important than landing the plane immediately? Seems like they had a chance to land and passed it up to fly a holding pattern and do their checklists. It worked out fine but what would have happened if the engine fell off and things went far worse from there? Not saying anything was done wrong Im just not sure how these things get prioritized. Good video

    • The Beast

      The Beast

      17 uur geleden

      @Oro Flows in 2013 american airlines flight 191 taking off from chicago had its left engine detach & fall off due to bad maintenance, few seconds later the aircraft banked a very hard left and crashed, no one survived, but the turn wasn't caused by the engine falling off, the engine ripped through a hydraulic line & damaged some of the wing's leading edge, which in turn caused uneven lift on the wings which made the airplane bank and almost become inverted the plane was still climbing fine for a few seconds after the engine detached so with this i think its safe to say on a twinjet if one engine falls off its mere luck whether anything else crucial gets damaged

    • Oro Flows

      Oro Flows

      17 uur geleden

      @The Beast I guess I somewhat compared the situation with an active fire in that if the engine fell off the areodynamics of one engine creating drag, while the other wing had nothing there, would likely render the plane unflyable. From your take however Im assuming your confident the plane could still be landed using rudder inputs to offset the imbalance in drag or maybe are willing to chance it until "if" the engine falls off becomes reality. I dont even know if they can fall off tbh. Ive never seen that scenario so I wonder if a missing engine plane is actually flyable with enough talent.

    • The Beast

      The Beast

      18 uur geleden

      unless all engines on an aircraft are gone, or there is a fire going on that cant be extinguished, there really is no need to prioritize landing before checklists infact there is not a single event where landing would be prioritized before checklists, unless you dont have the time to do longer checklists

  86. SHAHREH-MAN داستان نویس

    SHAHREH-MAN داستان نویس

    2 dagen geleden


  87. Benc1668


    2 dagen geleden

    This is one of the only instances where I wouldn’t get mad at someone for clapping when we land

    • Lance Littleton

      Lance Littleton

      Dag geleden

      Underrated comment XD

  88. DiabolicDoug


    2 dagen geleden

    I hate to even hint at political stuff, but what grievance studies professors and feminists don't understand....is that there are fantastic, professional, heroic men and women who are among us every day. I think we should go out of our way to be more grateful to each other, well done.

  89. Hector Joel Aquino Caban

    Hector Joel Aquino Caban

    2 dagen geleden

    Thankyou explaining. Just subscribed.

  90. Turd Ferguson

    Turd Ferguson

    2 dagen geleden

    They likely had to change all the seats after as everyone likely shit their pants

  91. John johnson

    John johnson

    2 dagen geleden

    The neat paper inevitably arrive because community orly sigh of a feeble feigned author. hallowed, inquisitive night

  92. Outlawflyer78


    3 dagen geleden

    Cool video and glad everyone made it ok. but I am confused why the pilots chose the furthest runway instead of 35 L?. It's just as long as the other runways and instead of making a shallower sweep to get to 35L, they instead make a longer sweep to go to 26. The furthest runway. Seems 35L would have put them on the ground faster.

  93. Lee Gungadin

    Lee Gungadin

    3 dagen geleden

    Amazingly explained......credit to you!!!!!

  94. Wit Sh

    Wit Sh

    3 dagen geleden

    Interessant anzuschauen, danke für das Video

  95. Ramy Fal

    Ramy Fal

    3 dagen geleden

    level of the sound is toooo lowwwww

  96. hen ko

    hen ko

    3 dagen geleden

    and still be able to fly

  97. Robert Paxton

    Robert Paxton

    3 dagen geleden

    Surely PAN PAN would have been the better call instead of MAYDAY? Given that only one engine had failed and structurally the plane was ok but obviously a developing situation? 🤷‍♂️

    • hen ko

      hen ko

      3 dagen geleden

      Awesome analysis, I felt at FlightSafety. What about the MLW?

  98. Dean Gilham

    Dean Gilham

    3 dagen geleden

    Awesome commentary and explanation of what the pilots go through during this emergency. Kudos my friend. AWESOME AWESOME AWESOME!!

  99. Boeing 787

    Boeing 787

    3 dagen geleden

    has anyone else noticed that this video gained 2 million views in a week?

  100. Ricardo 910

    Ricardo 910

    3 dagen geleden

    Very nice incident investigation. You are in front of Maday Catastrofes Aereas