Originally Posted by
birdspeed
With communication/electrical failures, followed shortly after by pilot incapacitation, we are surely looking at a decompression caused by the rupture of the crew oxygen cylinder in the avionics bay under the flightdeck. No other scenario fits so neatly. There are not many failures that will allow passive flight to fuel exhaustion. The pilots have finally been cleared of any nefarious acts.
As far as I know, there has only ever been one oxygen bottle that spontaneously ruptured....