1 hour ago1 hr It seems like something has changed since I flew the A300-600R months ago.I start the APU, turn on APU bleed, turn OFF ext. power, and start the engines and wait for stabilization on both. I turn the Ignition knob to OFF.I turn OFF APU bleed, So far, so good.But when I put the APU Master Switch to OFF, I lose all power in the aircraft.It seems like the engines are not generating power, or the electrical system is messed up.I've used this same process in the past without any problems.Any ideas what is wrong?Paul
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