Posts about: "FCOM" [Posts: 42 Pages: 3]

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BraceBrace
July 10, 2025, 15:53:00 GMT
permalink Post: 11919101
Originally Posted by Magplug
Notwithstanding what it says in the B787 FCOM and FCTM, I don't think Boeing ever envisaged the dual engine failure procedure being required 10 seconds after rotate.
I think the correct Boeing reply would be: "it is not part of the certification process". So yes, loss of thrust on both engines during the takeoff phase is not really countered for in the procedures.

That does not mean that the pilots "out of habit" would have reverted to the procedure. Who would not? But in that case, the fuel control switches would be found in the RUN position post crash (if anything was left). So did they find the switches in the cutoff position, or did the action of switching got "stored" somewhere in FDM (not a specialist on these things, only to hear many times in the past that "maintenance is already aware" if we had an issue and called maintenance post flight)

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CharlieMike
July 13, 2025, 09:01:00 GMT
permalink Post: 11921158
Originally Posted by ManaAdaSystem
Yes, and on the 737 and 320, there is a dedicated switch to turn it on before engine start when it starts automatically. I\x92m sure the 787 is similar.
Don\x92t think there is. I can only think of CVR test and erase switches on the OHP. The FCOM is also vague and says \x93continuous recording\x94, so it may be from CCS power-up.

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