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U.S. safety board chair rebukes Ethiopia over Boeing 737 MAX report By Reuters

U.S. safety board chair rebukes Ethiopia over Boeing 737 MAX report

© Reuters. FILE PHOTO: The Boeing logo is seen on the side of a Boeing 737 MAX at the Farnborough International Airshow, in Farnborough, Britain, July 20, 2022. REUTERS/Peter Cziborra

By David Shepardson

WASHINGTON (Reuters) – The National Transportation Safety Board (NTSB) on Tuesday faulted Ethiopia’s final report into the March 2019 Boeing (NYSE:) 737 MAX fatal crash and said investigators did not adequately address the performance of the flight crew.

NTSB chair Jennifer Homendy said in an interview that Ethiopia’s Aircraft Investigation Bureau (EAIB) had made errors in its report.

“We feel what they did not do is really delve into the flight crew performance issues and whether they were adequately prepared,” Homendy said. “We felt like it was not as comprehensive and robust as it could have been.”

The MAX crashes in 2018 and 2019 in Indonesia and Ethiopia, which cost Boeing more than $20 billion, led to a 20-month grounding for the best-selling plane that was lifted by regulators after Boeing made software and pilot training changes. Boeing declined to comment Tuesday.

The NTSB was not given a chance to review or comment on Ethiopia’s final report before it was made public last month, a violation of rules overseen by the United Nations’ Montreal-based aviation agency, ICAO, Homendy said.

“It’s unprecedented — under ICAO we get a right to review the report and to provide comment,” Homendy said.

The NTSB comments released in December were in response to an earlier draft the board reviewed.

The NTSB said earlier Ethiopian inspectors investigating the cause of the March 2019 Ethiopian Airlines’ crash that killed 157 people did not pay enough attention to crew training and emergency procedures in their report.

The EAIB blamed the accident on “uncommanded” inputs from Boeing’s Maneuvering Characteristics Augmentation System, known as MCAS.

The bureau did not immediately respond to a request for comment.

The inputs, which were caused by faulty data from an angle of attack (AOA) sensor, sent the plane’s nose down repeatedly, leading to loss of control as the pilots tried to deal with several warnings in the cabin, the report released last month said.

The NTSB said the Ethiopian report’s finding that aircraft electrical problems caused erroneous AOA output was “unsupported by evidence.” The NTSB said it found the erroneous sensor output was likely caused by a bird strike soon after take-off from Addis Ababa.

The NTSB added that the Ethiopia…

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