Originally Posted by
NSEU
Sorry, I misread the MEL. The MEL was for the Left Hydraulic System Demand Pump Auto selection being inop. The Left Hydraulic System feeds some flight controls and the reverser (?).
I haven't got the MEL or the electrical schematic in front of me, but I think with the auto function INOP the pump runs continuously, the motor controllers share various loads, so I'm assuming the NGS will only function when the pump is not running.