Smilin_Ed posted:-
I've read all the previous 2012 posts. Unless I missed something, it has been conclusively shown that the fuel metering valves moved to the full open position but there was no fuel to move through them. Since the valves opened, how could it be a software problem? The system responded to the movement of the throttles. The engines failed because of a scarcity of burnable materials to pass through that system
I have also read all posts on this and other disasters - though I must enter pleading at being most confused at times by disjointed thread creep - I think I've stayed on track and the one overiding factor common to all is that despite many "experts" on aircraft systems and engineering there seems to be a plethora of "conclusively proved" items that turn out to be absolutely wrong and "impossibilities" that turn out to be anything but.
I am reminded of the expert poster with years of experience in oxygen bottles saying that one had never let go in an aircraft and people suggesting they should be sectioned - yet a large part of one had come through the floor to embed itself in the doorframe - visible to all who looked. We also had explosive experts saying that the viewable photos were not of an explosion and other guys confidently pronouncing metal fatigue - all wrong.
In this particular case it certainly seems that the fuel pumps were fighting against something but ice to me is just a convenient answer when nothing else seems to fit. Just how easy is it for some valves to be closed against the pumps? Does anyone know ? Of course, if the actual temperature of the fuel was known we wouldn't be arguing.