Originally Posted by
JulioLS
As far as I am concerned, this crash is mostly (80%) down to Boeing.... They put in some more software crap (but didn't put it in the manual), they supplied the faulty AoA sensor. And the software that allowed the faulty input to mess up a whole lot of other stuff.... How this plane got certified god only knows (though others have suggested the possible reason).....
But the alpha vane was replaced, so it probably wasn't the fault unless both new and old were defective. Maybe the real fault was 'downstream' of the alpha vane?