CBS reports that the Federal Aviation Administration (FAA) released as statement on Sunday saying Boeing told them that parts of the company's grounded 737 Max and 737 Next Generation (NG) passenger planes may have been made with faulty parts which could crack or fail prematurely.
They say the FAA claims those failures wouldn't cause a plane to crash, but could damage one while in flight.
CBS says the part, known as a leading-edge slat track, is among 148 others from a Boeing supplier that are under concern.
They say the FAA is issuing an Airworthiness Directive to identify and remove the parts from service.
"We are committed to supporting our customers in every way possible as they identify and replace these potentially non-conforming tracks," said Kevin McAllister, president & CEO of Boeing Commercial Airplanes.
CBS says Boeing confirmed that it has not been informed of any "in-service issues related to this batch of slat tracks."
This is the latest issue involving Boeing and it's 737 Max planes after two of them crashed, killing 346 people.
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