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Boeing falsified records for 787 jet sold to Air Canada. It developed a fuel leak

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Boeing falsified records for 787 jet sold to Air Canada. It developed a fuel leak

Old 4th Jul 2019, 00:28
  #61 (permalink)  
 
Join Date: Mar 2015
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Originally Posted by k.h.p. View Post
Is it possible to discuss more about the possible documentation issues of this 787 here in a thread with 787 in the title, and leave the 737 MAX comments in a different thread, perhaps with 737 in the title?
A good indication that the original topic had very little meat on the bone.
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Old 4th Jul 2019, 00:37
  #62 (permalink)  
 
Join Date: Jul 2013
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Originally Posted by Skipness One Foxtrot View Post
Wasn't one of the significant causes of the British Midland BD092 crash involving a new B737-400 at Kegworth, exactly this? The differences between the -300 and -400 had been a very quick presentation (OHP vs PDF nowadays) and then back to line flying? And when the key differences between the two aircraft manifested in such a way that the pilots misdiagnosed a problem that led to a fatal crash.
Not really. There were two primary contributors to the misdiagnosis of which engine had failed. One was that there was smoke on the flight deck, the pilot thought all the flight deck air came from the right hand engine so he figured that the problem was with the right hand engine. Problem was that was only true on the 737-1/200 - the change to mixed bleed air was not unique to the -400, it was that way on all -3/4/500 aircraft. The second issue was a change to the engine vibration gauges - with the smoke and vibration the pilots were unable to see the gauges clearly and not realizing the gauges had changed misinterpreted what the gauges were telling them. I can't recall now if the gauge change was an 'and-on' change or if it was a customer option, but it wasn't specific to the -400 variant.
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Old 5th Jul 2019, 03:59
  #63 (permalink)  
568
 
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Originally Posted by tdracer View Post
Not really. There were two primary contributors to the misdiagnosis of which engine had failed. One was that there was smoke on the flight deck, the pilot thought all the flight deck air came from the right hand engine so he figured that the problem was with the right hand engine. Problem was that was only true on the 737-1/200 - the change to mixed bleed air was not unique to the -400, it was that way on all -3/4/500 aircraft. The second issue was a change to the engine vibration gauges - with the smoke and vibration the pilots were unable to see the gauges clearly and not realizing the gauges had changed misinterpreted what the gauges were telling them. I can't recall now if the gauge change was an 'and-on' change or if it was a customer option, but it wasn't specific to the -400 variant.
Slight correction, if I may:If memory serves me well, then there wasn't much smoke in the cockpit, so the vib gauges were not obscured by smoke.Secondly, the vib pointer on the gauge for the left engine went "off scale" so the pointer wasn't at all visible to the F/O.
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Old 5th Jul 2019, 04:44
  #64 (permalink)  
 
Join Date: May 2019
Location: United States
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It just struck me to wonder: was the aircraft with the fuel leak also one of the production numbers with defective fire handles and, if so, did Boeing "self-disclose" the fraudulent maintenance records before or after the discovery of the defective fire handles?
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