PPRuNe Forums - View Single Post - MAX’s Return Delayed by FAA Reevaluation of 737 Safety Procedures
Old 17th Jun 2019, 15:23
  #469 (permalink)  
yoko1
 
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Originally Posted by Fly Aiprt
Care to elaborate on when, how, what for, the thrust reduction would have to occur ?
The thrust reduction should have occurred almost immediately once the crew determined the aircraft was not, in fact, stalling. The type of AOA failure they experienced immediately converts to an unreliable airspeed event which calls for (among other things) a reduction in power to 80% N1. This has been discussed extensively in previous threads. The MCAS event doesn't even appear on the scene until the flaps are retracted, and it was highly questionable for the Captain to retract the flaps before the unreliable airspeed issue had been resolved. There is no mention in the CVR transcripts released to date that the crew actually realized they had unreliable airspeed, so the initial crew error was likely a misdiagnosis of the first failure they were presented with.

In case of ET302, a poorly designed system intersected with a poorly prepared crew resulting in a totally avoidable loss of life.


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