מדע וטכנולוגיה

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
Intro Song:
Lounge - Ehrling: illevel.info/plane/lWeCorSynKyxa6o/wyd-w
Outro Song:
Joakim Karud & Dyalla - Wish you were here illevel.info/plane/iYqrraifsWGwaNg/wyd-w


  1. AbstractMan23


    שעה לפני

    13:17 nailed the what?

  2. Francis Castiglione

    Francis Castiglione

    2 שעות לפני

    When you gonna make Captain?

  3. Jose Antunes

    Jose Antunes

    8 שעות לפני

    Very cool presentation. Just subscribed.

  4. Charles Oakes

    Charles Oakes

    9 שעות לפני

    Very good video Cap. Joe! Appreciate the time and effort that go into these reports. One thing I’d like to point out, is that as far as we can tell, it was a contained failure. The kevlar shroud did not fail, simply the nacelle, which is a part of the airframe, came off. Agent JayZ, a turbine expert, had a good explanation on this event. I am unaware if the NTSB has listed this as an uncontained failure, I don’t believe they have 😉



    10 שעות לפני

    The thing I take away from this is never panic, you're not dead yet. ATC, Pilots, Captain Joe is the very definition of professionalism at it's finest.

  6. Chad Portenga

    Chad Portenga

    10 שעות לפני

    Thanks for the great explanation! Kudos to the flight deck crew and the flight attendants for keeping their cool!

  7. Pilot_ Hussein

    Pilot_ Hussein

    10 שעות לפני

    Great video and valuable information , Thanks C.Joe

  8. Mark Roth

    Mark Roth

    12 שעות לפני

    Uh, "Captain", why only three stripes? Don't Captains wear 4 on their epaulets in your country?

  9. Ronald Morrison

    Ronald Morrison

    16 שעות לפני

    Appreciate your explanation.

  10. Reita Bishop

    Reita Bishop

    18 שעות לפני

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  11. Edin Fifić

    Edin Fifić

    18 שעות לפני


  12. Taz mania

    Taz mania

    23 שעות לפני

    So much respect for pilots. I've read many black box reports and all where professionals till the end... In the good or the bad endings. Really happy this ended the good way.

  13. OTR Flatbed MT

    OTR Flatbed MT

    יום לפני

    I still feel extremely safe flying! As truck driver I know things happen and I also know that training makes all the difference! I think pilots are some of the most well trained pros in the world.

  14. About 30 Llamas

    About 30 Llamas

    יום לפני

    Brings me back to sms

  15. Stu Mountjoy

    Stu Mountjoy

    יום לפני

    Engine on fire - check Engine dropped off - NO Engine still going - check

  16. Jeremy Deutch

    Jeremy Deutch

    יום לפני

    3:11 why do people always say Bloomfield and not Broomfield? I used to love in Broomfield, never heard of any Bloomfield 🤣

  17. Chicago Mark

    Chicago Mark

    יום לפני

    47 hr flight ? when i googled it came back as flight time 6 hrs ?

  18. number63 productions

    number63 productions

    יום לפני

    Why was there no mention of fuel dump? You can't land a fully loaded aircraft with fuel to Hawaii without it breaking apart. Did they just not want to call attention to thousands of gallons of jet fuel atomizing onto cars, homes, people and animals?

  19. Nick Baldeagle

    Nick Baldeagle

    יום לפני

    There's no I in team, but there is me.

  20. Cameron Padron

    Cameron Padron

    יום לפני

    I would honestly never want to be in a plane with only one pilot. What if that pilot had a heart attack and died? Everyone would be screwed.

  21. Ryan


    יום לפני

    Everybody is a pro after the matter

  22. Kaiserland111


    יום לפני

    I love the professionalism and skills of everyone involved in this accident. It makes me happy to know that we have such capable people taking care of us! Thanks for the great breakdown.

  23. Martin Rodgers

    Martin Rodgers

    יום לפני

    Captain Joe what would we do without your explanations for such a near disaster, great video/podcast, thank you.

  24. Lennie Ricci

    Lennie Ricci

    יום לפני


  25. joshwalkowicz


    יום לפני


  26. Paul Regarg

    Paul Regarg

    יום לפני

    Simple the inside diameter exceeded the outside diameter

  27. robert mcaus

    robert mcaus

    יום לפני

    Good explanation thanks. It would be interesting to know, did one of the pilots have the time to make a quick cabin announcement to passengers to reassure them? but in any case, aviate navigate communicate and they obviously did the most important things well.

  28. Kevin2382


    יום לפני

    Thanks Captain Joe

  29. Steve Hopwood

    Steve Hopwood

    יום לפני

    hi Jo just read about a 737 Max suffering a engine stall. what i dont understand that it said it eather had a oil presher probblem of witch i understand the presher for the oil drops but what is a volume indication and is this new and only on the 737 max and why would any of these possable probblem case a stall as i thort this happens when a something is sucked into the engine and you get the quick bangs and flames puffing out at the same speed can you help with this meny thanks here is something to help u find out American Airlines Co said on Friday that a Boeing 737 MAX bound for New Jersey’s Newark Liberty International Airport declared an emergency after the captain shut down one engine due to a possible mechanical issue.

    • Steve Hopwood

      Steve Hopwood

      יום לפני

      do the 737 Max have p and w and the same type that had the fan blade probblem

  30. Vr ver2

    Vr ver2

    יום לפני


  31. Luis Alberto Siles

    Luis Alberto Siles

    יום לפני

    Amazing video along with the explanation. Congratulations!

  32. 03 old sub2

    03 old sub2

    יום לפני

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  33. 'nSane


    יום לפני

    This is when you should clap on landing

  34. Colin Musschoot

    Colin Musschoot

    יום לפני

    Hi, I respectfully disagree with two of your points beginning at 3:40 and 8:00. I come from an engineering background, and have been employed as a pilot for a major airline for more than a decade. I am currently qualified on the Boeing 787. My opinion highlights why it is premature to comment or speculate on aviation incidents prior to facts and final reports are published. At 3:40 you say that it’s likely that while transitioning to a cruise climb that the power increase caused the fan blade to fail. There would not normally have been any major power changes at that point of the flight. The aircraft would have accelerated from about 250 knots, but that is accomplished by lowering the nose and allowing the aircraft to accelerate with the same thrust setting. I acknowledge that the trust setting isn’t actually constant, and that the FADEC is programmed to make constant, small changes to climb thrust due to environmental conditions. Many engine failures do occur with large thrust changes, but this usually occurs at the beginning of the takeoff roll, thrust reduction from takeoff to climb thrust, and application of go-around thrust. The video from @VASAviation, linked below, outlines the radar tape and communications of the affected flight. From 8000 feet to approximately 12,000 feet, there is a constant acceleration from 260 knots to 320 knots with no apparent level offs. Therefore, there is no reason to believe any significant thrust changes have occurred. You then go on to explain, incorrectly, what an uncontained engine event/failure is. Uncontained engine failure is when an engine fan blade fails and penetrates the containment ring of the engine case, not the engine cowling. The cowling is the outer covering of the engine that we can see. It contains the ancillary systems of the engine. On February 22nd, the NTSB considers this event to be contained. For an example of an uncontained engine failure, see example of Qantas 32, links below to the ATSB report and Wikipedia page. At 8:00, you state that the extinguishing agent is discharged into the turbine. This is also not correct. The extinguisher is discharged into the engine compartment. In the case of UA328, this would have been ineffective because the engine cowling is required to contain the agent within the compartment to be effective. Aircraft engine fire systems are not designed to control fires within the combustion sections of the actual engine. Also, the visible fire is not likely fuel fed, as the NTSB determined that the firewall fuel shut-off valve (spar valve) was found in the commanded, off position, post flight. I’m not sure if the HYD PRESS, L checklist would have needed to be accomplished. It is possible that the L hydraulic demand pump (electric) automatically took over pumping duties. On the 787, it is not routine to need to complete hydraulic checklists following engine failures, fires and severe damage events in simulator training. It is critical that we as pilots do not speculate on causal factors prior to known facts being published. The NTSB and other governmental investigative agencies offer only factual evidence in their updates and do not assign blame. Their mandate is to determine cause and prevent further occurrences. By speculating, you are potentially propagating inaccuracies that only fuel the spread of mis-information among the travelling public, who are mostly laypeople. Had you waited one extra day to publish this video, you could have had valuable information with which to produce a more accurate description of the incident. Instead, you hastily posted this with the intention of gaining views and being the first to report the news. www.NTSB.gov: NTSB Issues Investigative Update for United Airlines Flight 328 Engine Failure Event www.avherald.com: Incident: United B772 at Denver on Feb 20th 2021, engine inlet separates from engine, engine fire VASAviation: illevel.info/plane/e2lmr85vipnEqZ0/wyd-w www.atsb.gov.au: Investigation: AO-2010-089 - In-flight uncontained engine failure Airbus A380-842, VH-OQA, overhead Batam Island, Indonesia, 4 November 2010 www.wikipedia.org: en.wikipedia.org/wiki/Qantas_Flight_32?wprov=sfti1

  35. peter m

    peter m

    יום לפני

    fuel jetting was not necessary ? Or I missed in your description

  36. Pascal Dj

    Pascal Dj

    יום לפני

    Great video! What lights up is the fast talking of the ATC... also before the mayday. He really talks fast, he talks like a auction leader calling out the bids! You foreign pilots never have problems understanding this? I can imagine it can be hard sometimes. Gr Pascal, aircraft engineer

  37. John Thomas

    John Thomas

    יום לפני

    So did the fire suppression not work or is the video with it on fire early in the event?

  38. Imran Hayat

    Imran Hayat

    יום לפני

    Love the video! I wonder if the pilot had to jettison fuel in order to land so early?

  39. DogCraft Gaming

    DogCraft Gaming

    יום לפני

    I listened to the CVR and it took 11 seconds for Denver DEV to respond to UAL328’s MAYDAY call

    • DogCraft Gaming

      DogCraft Gaming

      יום לפני

      Somebody fix Denver DEV

  40. The Cryptocurrency News Portal

    The Cryptocurrency News Portal

    יום לפני

    Great video. Thank you sir.

  41. John Rose

    John Rose

    2 ימים לפני

    I would have sharted in my pants I think if I was on that flight.......especially when hearing the huge boom.... and if sitting on that side of the engine and getting the view............probably said the f word a few times.... several actually! and ordered a couple drinks!!

  42. John Rose

    John Rose

    2 ימים לפני

    Can you imagine if anyone on the ground... (ie) kids were outside at the time when that huge piece of engine shroud came down to the ground. So lucky that nobody was hurt or killed!.... I lived in Denver for more than a decade and the airport... the newest one........is far away from the city. Is it usual for aircraft to be this old. I flew from Denver once to Hawaii, it was not too long after the top was peeled off one and sucked out a flight attendant. and our flight was in a thunderstorm trying to land. That plane shook so bad, scariest flight I have ever been on! Everyone I want those pilots on my next plane ride..... they were awesome!!!!

  43. Rusty Shackelford

    Rusty Shackelford

    2 ימים לפני

    GE had a similar fan blade break up many years ago. You 'd think they would have eliminated the problem by now.

  44. Cade Reynolds

    Cade Reynolds

    2 ימים לפני

    Well done and explained video

  45. Scott Maas Media

    Scott Maas Media

    2 ימים לפני

    Great play by play analysis thank you sir. 👍 Great teamwork!! 🛩



    2 ימים לפני

    In the Navy gas turbine ship I recall actual call "Engineering casualty, engineering casualty, class B fire 1B GTM, MER1. This is not a drill". Repetitive training does pay off in the actual casualty. It save lives. Prevent further damage and costly repairs.

  47. J Pol

    J Pol

    2 ימים לפני

    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.

  48. Daniel G

    Daniel G

    2 ימים לפני

    I hope the entire flight crew gets a raise.

  49. ToxicVaccines ToxicFluoride HIV HOAX

    ToxicVaccines ToxicFluoride HIV HOAX

    2 ימים לפני

    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.

  50. Peter Rygiel

    Peter Rygiel

    2 ימים לפני

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

  51. karim.dojacat


    2 ימים לפני

    did u talked german? 😊 i heard- wunderbar

  52. Black Widow Wood Design

    Black Widow Wood Design

    2 ימים לפני

    God bless the professionals

  53. 3D FPV Prints

    3D FPV Prints

    2 ימים לפני

    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!

  54. Alessandro Della Casa

    Alessandro Della Casa

    2 ימים לפני

    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.



    2 ימים לפני

    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!

  56. PatriciaWSchroeder J HowardBAlexander

    PatriciaWSchroeder J HowardBAlexander

    2 ימים לפני

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

  57. Marilyn Guinnane

    Marilyn Guinnane

    2 ימים לפני

    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.

  58. Vic D

    Vic D

    2 ימים לפני

    Great video and information

  59. Bobthreetimes


    3 ימים לפני

    Love the Big Yoshi’s lounge

  60. jas bhanga;

    jas bhanga;

    3 ימים לפני

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

  61. Enrique Morfin Macouzet

    Enrique Morfin Macouzet

    3 ימים לפני

    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..

  62. Olhayeh Ali Olhayeh

    Olhayeh Ali Olhayeh

    3 ימים לפני

    Good analysis

  63. Fragarbai


    3 ימים לפני

    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.

  64. celkat


    3 ימים לפני

    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?

  65. Bull chrome Empire

    Bull chrome Empire

    3 ימים לפני




    3 ימים לפני

    "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 . . )

  67. Freddie Kemp

    Freddie Kemp

    3 ימים לפני

    Great video Joe

  68. Michael A

    Michael A

    3 ימים לפני

    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

  69. Preston Britton

    Preston Britton

    3 ימים לפני

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    cory calloway

    3 ימים לפני

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  71. Ephraim Mathapo

    Ephraim Mathapo

    3 ימים לפני

    Fly safe Joe.

  72. Otto R Nuila

    Otto R Nuila

    3 ימים לפני

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

  73. Ngan Stanfield

    Ngan Stanfield

    3 ימים לפני

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

  74. LarissaA346


    3 ימים לפני

    Fly the aircraft firsta

  75. ChiefJudgeDredd


    3 ימים לפני

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

  76. ChiefJudgeDredd


    3 ימים לפני

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

  77. Andrew L.

    Andrew L.

    3 ימים לפני

    Engine exploded. There you go.

    • zijuiy wttuy

      zijuiy wttuy

      3 ימים לפני

      Amazingly insightful video!

  78. Nara Cruz

    Nara Cruz

    3 ימים לפני

    God bless you

    • zijuiy wttuy

      zijuiy wttuy

      3 ימים לפני

      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.

  79. Mijo Vrvilo

    Mijo Vrvilo

    3 ימים לפני

    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!

  80. Bernard Quao

    Bernard Quao

    3 ימים לפני

    I admire his aircraft knowledge

  81. Robo Da yobo

    Robo Da yobo

    3 ימים לפני

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

  82. carbon wolf

    carbon wolf

    3 ימים לפני

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

    • webrosc


      7 שעות לפני

      Backup generators, and from what i remember from some tv shows atc also have the old manual systems in place (cards moved around screen edge) incase iof the system failing, then they still know whats where above them

  83. TRELL5044


    3 ימים לפני

    Good job

  84. BeatzBoy123 123

    BeatzBoy123 123

    3 ימים לפני


  85. Leo Li

    Leo Li

    4 ימים לפני

    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?

  86. Alan P

    Alan P

    4 ימים לפני

    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.

  87. ward schuler

    ward schuler

    4 ימים לפני

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

  88. FlyingHangman


    4 ימים לפני

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

  89. Terence Scott

    Terence Scott

    4 ימים לפני

    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.

  90. Defund The Left

    Defund The Left

    4 ימים לפני

    You remind me of a dodgy snake oil salesman.

  91. Meredith Johnson

    Meredith Johnson

    4 ימים לפני

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

  92. Icy Sky

    Icy Sky

    4 ימים לפני

    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


      4 ימים לפני

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

  93. GeorgesCanvas


    4 ימים לפני

    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.

  94. Bas van der Lans

    Bas van der Lans

    4 ימים לפני

    Amazingly insightful video!

  95. Олександр Муха

    Олександр Муха

    4 ימים לפני

    thanks captain Joe!

  96. Martin


    4 ימים לפני

    11:35 - GRASP ???

  97. kirstystar74


    4 ימים לפני

    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.

  98. Big Gay Bear

    Big Gay Bear

    4 ימים לפני

    Excellent, thanks Capt Joe

  99. Robert Bedding

    Robert Bedding

    4 ימים לפני


  100. Jim Latour

    Jim Latour

    4 ימים לפני

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