Investigators blame Boeing’s 737 MAX flight-control system for Ethiopian crash
Air accident investigators faulted a flight-control feature on a Boeing Co. 737 MAX flown by Ethiopian Airlines that crashed in March, raising pressure on Boeing to fix the problem.
Ethiopian authorities, in a preliminary crash probe released Thursday, said the crew followed approved emergency procedures but couldn’t save the plane. They said Boeing BA, -1.54% should review the plane’s flight-control system and authorities should validate the changes before allowing the global MAX fleet, which was grounded after the crash, to return to service.
The stall-prevention feature, known as MCAS, has been the subject of intense scrutiny since another deadly crash of a 737 MAX in Indonesia last year. In early findings into that crash, investigators found a faulty sensor caused the system to mistakenly push down the nose of the jet—and that pilots weren’t able to take corrective action in time to avoid a crash. A similar sequence of events unfolded in the Ethiopian Airlines accident that killed all 157 people aboard.
The public findings Thursday of the Ethiopian preliminary report—which can change in subsequent examinations—puts the ball in Boeing’s court in terms of next steps fixing the system and defending the future safety of the jet. A Boeing spokesman said the company will review the report’s findings and comment further later. The company since last year has been working on a fix to improve how MCAS operates. Carl Icahn Sold Lyft Stake to George Soros Prior to Initial Public OfferingWe Want to Hear from You Join the conversation
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