FAA grounds Boeing 737 MAX jets, citing ‘new evidence’ from Ethiopia crash site

FAA grounds Boeing 737 MAX jets, citing ‘new evidence’ from Ethiopia crash site

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An artist’s conception shows a Southwest Airlines 737 MAX taking to the air. (Boeing Illustration)

The Federal Aviation Administration today ordered the temporary grounding of Boeing’s next-generation 737 MAX jets, due to “new evidence” collected at the site of Sunday’s Ethiopian Airlines crash as well as satellite data.

“The grounding will remain in effect pending further investigation, including examination of information from the aircraft’s flight data recorders and cockpit voice recorder,” the FAA said in a statement:

#FAA statement on the temporary grounding of @Boeing 737 MAX aircraft operated by U.S. airlines or in a U.S. territory. pic.twitter.com/tCxSakbnbH

— The FAA (@FAANews) March 13, 2019

Southwest Airlines operates 34 737 MAX 8 planes, American Airlines has 24 MAX 8’s and United Airlines has 14 MAX 9’s, accounting for nearly 300 daily flights in all.

Today’s announcement, which affects all 737 MAX aircraft operated by U.S. airlines or in U.S territory, came after scores of other nations took similar measures.

The move was signaled in advance by President Donald Trump, and came just hours after Canadian Transport Minister Marc Garneau said 737 MAX planes would be barred from arrivals, departures and overflights in Canada.

Garneau said satellite data suggested there were similarities between the flight profiles for the 737 MAX 8 involved in the Ethiopian Airlines crash that killed 157 people on Sunday and a Lion Air 737-8 that crashed in Indonesia in October, killing 189 people.

In both cases, the pilots reported control difficulties just after takeoff, and the planes nose-dived shortly afterward.

Garneau said the satellite readings were not conclusive, and he shied away from saying definitively that the crashes were related. “But it is something that points possibly in that direction, and at this point we feel that that threshold has been crossed and that is why we are taking these measures,” he said.

Air Canada operates 24 of the 737-8 jets, while WestJet has 13 of the planes and Sunwing has four. Air Canada said that it was “working to rebook impacted customers as soon as possible,” but that there may be delays.

Preliminary findings from the Lion Air investigation focused on an automatic flight control system known as the Maneuvering Characteristics Augmentation System or MCAS. The system is designed to keep the 737 MAX from stalling under extreme aerodynamic conditions, but investigators said spurious sensor data may have caused the MCAS to put the Lion Air plane into an unwarranted dive.

Boeing has laid out a procedure that pilots can use in such a scenario to switch off the MCAS system; however, that procedure wasn’t followed by the Lion Air pilots. The FAA says Boeing is due to upgrade the MCAS software next month.

Today’s FAA announcement marked a rapid about-face: On Tuesday, the agency issued a statement saying that it saw “no basis to order grounding” 737 MAX airplanes, and that no other civil aviation authorities had furnished data that would warrant further action.

The 737 MAX is the latest incarnation of Boeing’s best-selling jet, and the company insists that the planes are safe. But in a statement released after today’s FAA order, Boeing said it supported the decision:

“Boeing continues to have full confidence in the safety of the 737 MAX.  However, after consultation with the U.S. Federal Aviation Administration (FAA), the U.S. National Transportation Safety Board (NTSB), and aviation authorities and its customers around the world, Boeing has determined — out of an abundance of caution and in order to reassure the flying public of the aircraft’s safety — to recommend to the FAA the temporary suspension of operations of the entire global fleet of 371 737 MAX aircraft.

” ‘On behalf of the entire Boeing team, we extend our deepest sympathies to the families and loved ones of those who have lost their lives in these two tragic accidents,’ said Dennis Muilenburg, president, CEO, chairman of the Boeing Company.

” ‘We are supporting this proactive step out of an abundance of caution. Safety is a core value at Boeing for as long as we have been building airplanes; and it always will be. There is no greater priority for our company and our industry. We are doing everything we can to understand the cause of the accidents in partnership with the investigators, deploy safety enhancements and help ensure this does not happen again.’

“Boeing makes this recommendation and supports the decision by the FAA.”

Check back for updates to this developing story, first published at 10:49 a.m. PT March 13.

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