Boeing is reworking 50 undelivered 737 MAX jets after a supplier’s employee recently found misdrilled holes on some fuselages, a new production snafu for the aircraft manufacturer.

Spirit AeroSystems, which has been at the center of quality issues affecting 737s, supplied the fuselages and it was one of its employees that flagged the issue. Shares of Spirit fell in Monday trading. It reports quarterly results Tuesday.

Boeing said that the issue could delay some deliveries in the near term and that existing 737s can keep flying.

“This is the only course of action given our commitment to deliver perfect airplanes every time,” Boeing’s commercial chief Stan Deal said in a memo to staff on Sunday.

Excerpt from WSJ
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