Boeing Says Wiring Flaws Will Slow Some 737 MAX Deliveries -- WSJ

Dow Jones03-10

By Drew FitzGerald

Boeing said it will delay deliveries of some 737 MAX planes after discovering a problem with wiring on newly built aircraft, a fresh setback for the company's bid to get jets to customers faster.

The plane manufacturer said Tuesday it found scratched wiring in undelivered planes and traced the problem to a machining error. The company didn't share more details about what fixes would be required or how many planes were affected.

A Boeing spokeswoman said the fixes could be completed in a matter of days on each plane. The delay could slow overall plane deliveries this month, the spokeswoman said, but the company is sticking by its goal to hand over roughly 500 of the 737 MAX planes to customers this year.

The delivery delay complicates Boeing's efforts to convince regulators that it is reducing manufacturing errors. Regulators cracked down on Boeing after a door plug blew off a 737 MAX plane midair in January 2024, and required the company to slow production. The mishap drew fresh scrutiny that exposed other shortcomings in the 737s and long-distance 787 Dreamliners rolling off its assembly lines.

Chief Executive Kelly Ortberg last summer said the company had made some progress meeting its quality-control targets and has been preparing to accelerate production as a result. However, he warned one metric -- hours spent redoing work on the narrow-body jets -- was still lackluster.

Write to Drew FitzGerald at andrew.fitzgerald@wsj.com

 

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March 10, 2026 11:00 ET (15:00 GMT)

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