A Crossfeed selector inoperative is mainly indicated by a crossfeed VALVE OPEN light remaining blue. It indicates the crossfeed valve valve position disagrees with the crossfeed selector position. If the valve is suspected closed:
发布于 2021-02-03 04:39:45
【单选题】 A A.Maintain fuel balance with selective use of fuel pumps. B B.Land as soon as possible. C C.Flight conditions permitting, vary thrust to maintain fuel balance. If unable to maintain acceptable balance, land as soon as possible.
