Boeing addresses new 737 MAX software issue that could
keep plane grounded longer
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[January 18, 2020] By
WASHINGTON (Reuters) - Boeing Co <BA.N>
said on Friday it is addressing a new software issue discovered in Iowa
last weekend during a technical review of the proposed update to the
grounded Boeing 737 MAX, a development that could further delay the
plane's return to service.
"We are making necessary updates," Boeing said in a statement. Officials
at the planemaker said the issue relates to a software power-up
monitoring function that verifies some system monitors are operating
One of the monitors was not being initiated correctly, officials said.
The monitor check is prompted by a software command at airplane or
system power up, and will set the appropriate indication if maintenance
is required, company officials added.
The Federal Aviation Administration (FAA) did not immediately comment.
ABC News reported the issue early Friday.
Boeing is halting production of the 737 MAX this month following the
grounding in March of its best-selling plane after two fatal crashes in
five months killed 346 people.
U.S. regulators are waiting for an update from Boeing on how they will
resolve the issue. A U.S. official briefed on the matter said Friday the
FAA is now unlikely to approve the plane's return until March but it
could take until April.
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Several Boeing 737 Max aircraft are seen parked outside the
company's production facility in Renton, Washington, U.S. January
10, 2020. REUTERS/Lindsey Wasson/File Photo
This week, American Airlines Group Inc <AAL.O> and Southwest Airlines Co <AAL.O>
both said they would extend cancellations of MAX flights until early June.
Also this month, the FAA and Boeing said they were reviewing a wiring issue that
could potentially cause a short circuit on the grounded 737 MAX. Officials said
the review is looking at whether two bundles of wiring are too close together,
which could lead to a short circuit and potentially result in a crash if pilots
did not respond appropriately.
U.S. and European aviation safety regulators met with Boeing in an effort to
complete a 737 MAX software documentation audit that was begun in November.
Documentation requirements are central to certification for increasingly complex
aircraft software, and can become a source of delays.
(Reporting by David Shepardson; Editing by Chris Reese and David Gregorio)
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