A Boeing engineer raised concerns as early as December 2015 about the reliance of a critical 737 MAX flight-control system on a single point-of-failure, show internal documents shared during a House committee hearing. Transportation Committee Chairman Peter DeFazio (D-Ore.) presented a slide during the Oct. 30 hearing featuring an internal email message from an anonymous employee at Boeing’s Aero-Stability and Control Group. In the email, the employee asked: “Are we vulnerable ...


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