Boeing reports defective parts in 737

Boeing has advised the Federal Aviation Authority (FAA) that some of its 737 fleet may have defective wing parts.

The FAA said on Sunday that the slat tracks of certain 737NG and 737MAX planes may have been “improperly manufactured” and could not meet strength and durability regulation requirements.

“Following an investigation conducted by Boeing and the FAA Certificate Management Office (CMO), we have determined that up to 148 parts manufactured by a Boeing sub-tier supplier are affected,” said the FAA.

Boeing has said it has reached out to 737 operators to inspect and replace any defective parts before returning the planes to service.

A parts failure might not bring down a plane but it could damage an aircraft during flight, said the FAA.

"We are committed to supporting our customers in every way possible as they identify and replace these potentially non-conforming tracks," said Boeing commercial airplanes CEO Kevin McAllister.

The Boeing 737 MAX 8 fleet has been globally grounded since March 2019.

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