Originally Posted by
FlyingStone
I'm not sure how well FBW works without any electrics.
I'm only familiar with the 777 FBW, which has dedicated generators on the engine gearbox for the FBW system. That system will function if all normal AC power is lost, and even if standby DC is lost. I imagine the 787 and the Airbus systems are the same, but don't know that for a fact.