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Boeing 787 software bug can shut down planes' generators IN FLIGHT

theregister.co.uk

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Re: Boeing 787 software bug can shut down planes' generators IN FLIGHT

#4
post #2

After boarding a flight, it is not uncommon to notice all the lights and ventilation systems being briefly shut down. I would say a vast majority of flights I get on go through this procedure, and now I wonder if it is because of this bug.

That's the transition between the different sources of aircraft power i.e., ground power to the auxiliary power unit.