Quote:
Originally Posted by Bigtime
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So what happened after that? If they flipped the trim switches to 'off' shouldn't that have been the end of it? Flying manually at that point and having to operate the trim wheel by hand. Or did the switch not work? Or did they switch it back on?
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Some initial info.
“The Captain asked the First Officer to pitch up together and said that pitch is not enough,” the report reads. “The data indicates that aft force was applied to both columns simultaneously several times throughout the remainder of the recording.”
The report does not specifically name the Maneuvering Characteristics Augmentation System, which is a stabilization system, but makes it likely the MCAS pushed the plane into a dive fueled by erroneous angle of attack sensor readings. Boeing is currently working on a change to the system’s software.
It says the flight data recorder indicated “automatic aircraft nose down (AND) trim command four times without pilot’s input.”