Exclusive: Boeing faces new hurdle in 737 MAX electrical grounding issue - sources

By Reuters8 days ago

2/2 Reuters. FILE PHOTO: The Boeing logo is pictured at the Latin American Business Aviation Conference & Exhibition fair (LABACE) at Congonhas Airport in Sao Paulo, Brazil August 14, 2018. REUTERS/Paulo Whitaker/File Photo 2/2

By Eric M. Johnson, David Shepardson and Tracy Rucinski

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SEATTLE/WASHINGTON/CHICAGO (Reuters) - U.S. air safety officials have asked Boeing (NYSE:BA) Co to supply fresh analysis and documentation showing numerous 737 MAX subsystems would not be affected by electrical grounding issues first flagged in three areas of the jet in April, two people familiar with the matter told Reuters.

The extra analysis injects new uncertainty over the timing of when Boeing's best-selling jetliner would be cleared to fly by the U.S. Federal Aviation Administration (FAA).

The electrical problems have suspended nearly a quarter of its 737 MAX fleet.

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