Boeing's safety analysis of 737 MAX flight control had crucial flaws: Report

Boeing Co`s safety analysis of a new flight control system on 737 MAX jets had several crucial flaws, the Seattle Times reported on Sunday.  Boeing`s safety analysis of the flight control system called MCAS (Maneuvering Characteristics Augmentation System) understated the power of this system, the Seattle Times said, citing current and former engineers at the U.S. Federal Aviation Administration (FAA). 

The FAA also did not delve into any detailed inquiries and followed a standard certification process on the MAX, the Seattle Times reported citing an FAA spokesman.  The FAA declined to comment on the Seattle Times report but referred to previous statements about the certification process. It has said the 737-MAX certification process followed the FAA`s standard certification process. 

The report also said both Boeing and the FAA were informed of the specifics of this story and were asked for responses 11 days ago, before the crash of an Ethiopian Airlines 737 MAX last Sunday that killed all 157 people on board. The same model flown by Lion Air crashed off the coast of Indonesia in October, killing all 189 on board.

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Last Monday Boeing said it would deploy a software upgrade to the 737 MAX 8, a few hours after the FAA said it would mandate "design changes" in the aircraft by April.  A Boeing spokesman said 737 MAX was certified in accordance with the identical FAA requirements and processes that have governed certification of all previous new airplanes and derivatives. The spokesman said the FAA concluded that MCAS on 737 MAX met all certification and regulatory requirements.