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Fix to 737 MAX anti-stall software ready — industry sources

Saturday, March 23, 2019

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NEW YORK, United States (AFP) — A fix to the anti-stall system suspected in October's Lion Air Boeing 737 MAX 8 that killed 189 people in Indonesia is ready, industry sources said Saturday.

The sources said Boeing was due to present the patch to officials and pilots of US airlines American, Southwest and United in Renton, Washington state, where the craft is assembled.

"Boeing has already finalised the necessary corrective measures for the MAX," a source told AFP on condition of anonymity.

The upgrade has yet to be approved by the Federal Aviation Administration (FAA), one of the authorities that grounded the 737 MAX after two deadly crashes in five months, the latest in Ethiopia on March 10.

American Airlines and Southwest pilots were set to test simulators with the updates on Saturday, according to the sources.

The FAA had given until April for Boeing to make the necessary changes to this critical anti-stall system.

The accidents on Lion Air in Indonesia and Ethiopian Airlines, which killed 346 people between them, have raised major concerns about the safety certification of the 737 MAX 8 model.

Investigators have honed in on the MCAS automated anti-stalling system designed to point the nose of the plane downward if it is in danger of stalling.

A spokesman for United Airlines, whose fleet includes 14 of the 737 MAX 9 planes, confirmed the company's attendance at the training session.

Southwest and its SWAPA pilots union "have subject matter experts from our Technical Pilot Team and Training Teams headed to Boeing to review documentation and training associated with the modification to the B737 speed trim system," a spokeswoman said.

The company is one of the biggest 737 MAX 8 customers, owning 34 of the planes.

In addition to the software updates, the sources said Boeing has also finalized updates to its instructions and pilots' training manual.

"We have been engaging with all 737 MAX operators and we are continuing to schedule meetings to share information about our plans for supporting the 737 MAX fleet," a Boeing spokeswoman said, declining to confirm the timeline for the changes.

US and Ethiopian authorities have said this month's crash of Ethiopian Airlines Flight ET302 near Addis Ababa bore "similarities" to last year's Lion Air crash.

The Ethiopian Airlines crash led to the global grounding of 737 MAX aircraft.

Boeing and the FAA are under investigation by the Transportation Department for how the rollout of the jet was handled, including the anti-stall system.

Ralph Nader, the US consumer protection advocate who lost a relative in the Ethiopia crash called Friday for an organisation to defend passengers' rights.

"We really need a big aviation consumer organization in this country," said Nader, who ran for president as an independent in 2000.


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