Pending changes to the 737 MAX that Boeing hopes will allow the grounded fleet’s return to service focus on improving the maneuvering characteristics augmentation system’s (MCAS) reliability and limiting its authority to push the aircraft’s nose down. The technical faults that apparently triggered erroneous MCAS inputs have not been addressed, underscoring how much more work investigators have to do before understanding why two MAX 8s crashed within five months. The ...


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