SEATTLE — Many new Boeing 737 Max jetliners are still grounded by an electrical problem in a backup power-control unit.
The Federal Aviation Administration said Thursday that 106 planes worldwide are grounded, including 71 in the United States. Airlines are waiting for Boeing to come up with a plan for repairing the planes, and that plan would need FAA approval.
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It’s the latest setback for Boeing’s best-selling plane.
All Max jets worldwide were grounded for nearly two years following two crashes that killed 346 people.
The planes have slowly returned to flying since December.
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