Boeing CEO on 737 MAX problems: ‘We clearly fell short’ » Manila Bulletin Business

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Boeing CEO on 737 MAX problems: ‘We clearly fell short’

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By John BIERS

NEW YORK (AFP) — The head of Boeing acknowledged Wednesday that the company “clearly fell short’’ in dealing with the accident-ridden 737 MAX and said that it had not adequately communicated with regulators.

Chief Executive Dennis Muilenburg’s remarks to CBS News – his first interview since the global grounding of the plane following two crashes that claimed 346 lives – came as a top airline representative signaled that the top-selling jets could be out of service at least through mid- to late-August.

Muilenburg was pressed by CBS about failing to notify the Federal Aviation Administration (FAA) for more than a year that the company had deactivated a signal designed to advise the crew of a disagreement between the plane’s “angle of attack’’ sensors, which measure its angle vis-a-vis oncoming air to warn of impending stalls.

The sensors provide data to the Maneuvering Characteristics Augmentation System, a flight handling system connected to the deadly crashes of Lion Air and Ethiopian Airlines MAXs.

The FAA did not learn of the issue until after the Lion Air crash, more than 13 months after Boeing first unearthed the problem.

The design of the MCAS system has been criticized by aviation experts because it is tied to just one sensor at a time, making it susceptible to malfunction.

In both of the MAX crashes, the MCAS pointed the plane sharply downward based on a faulty sensor reading, hindering the pilots’ effort to control the aircraft after takeoff, according to preliminary crash investigations.

Muilenburg, who has repeatedly rejected suggestions of a design flaw in the 737 MAX, acknowledged implementation shortcomings.

“The implementation of this angle of attack alert was a mistake,’’ he told CBS. “Our communication on that was not what it should have been.’’

But Muilenburg, who also issued a sweeping apology to the families of flight victims during the interview, said he believes in the plane and would have no reservations putting his family aboard.

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