Boeing's nightmare year gets even worse as it admits hundreds of planes — including 159 737 Maxes — may have defective parts on their wings

  • Boeing on Sunday warned that 41 737 Max and Next Generation planes might have faulty slat tracks – a part of a wing that helps a plane manoeuvre.
  • It is urging airlines to also check almost 300 more planes in case they are affected as well.
  • The company said a batch of slat tracks “have a potential nonconformance.”
  • The tracks guide the plane’s slats – movable surfaces on the front of a wing that provide extra lift during takeoff and landing.
  • Boeing is having a nightmare year after two 737 Max planes crashed and killed hundreds of people, sparking a crisis of confidence in the manufacturer.
  • Multiple airlines are demanding compensation or amending orders from Boeing, and airline chiefs are openly discussing their doubts in the company.
  • Visit Business Insider’s homepage for more stories.

Boeing’s nightmare year got even worse this weekend as the manufacturer warned that hundreds of its 737 planes, including 159 of its troubled 737 Max jets, might have faulty parts on their wings.

The Seattle-based company warned in a Sunday statement that one batch of slat tracks, produced by an unidentified supplier, was found to “have a potential nonconformance.”

Slats are movable panels, built into a plane’s wings, that provide extra lift during takeoff and landing. Slat tracks are used to guide them.

Twenty 737 Max planes and 21 737 Next Generation planes are “most likely to have the parts in question,” Boeing said.

As well as the 41 planes it had specific concerns about, Boeing warned all airlines that operate 737 planes to check their slats as a precaution.

The manufacturer will ask operators to check 133 NGs and 179 Maxes and will send a service bulletin outlining how airlines should check for faulty slat tracks, it said.

The Federal Aviation Administration will also issue a directive to make Boeing’s recommendations to check the jets mandatory.

Boeing CEO Dennis MuilenburgJim Young-Pool/Getty ImagesBoeing CEO Dennis Muilenburg in Chicago in April.

Boeing’s Sunday warning came amid widespread low confidence in the company’s planes after two 737 Max jets crashed in the past year, killing more than 300 people.

Ten airlines are demanding compensation or amending orders from Boeing, and a slew of airline chiefs have openly expressed their doubts in the company in the wake of the crashes.

Read more:
Boeing could have prevented a 2nd 737 Max crash by listening to pilots, a union said as it accused the company of a ‘poisoned, diseased philosophy’

Sumeth Damrongchaitham, the president of Thai Airways, on Sunday said Boeing needed to convince passengers of the 737’s safety before airlines considered buying more from the company.

“You cannot buy the aircraft and nobody wants to fly it,” he said, according to Bloomberg.

Tim Clark, the president of Emirates, said Boeing had “done enormous damage to the industry, and they have a responsibility to make that good,” according to Bloomberg.

Read Business Insider’s full coverage of Boeing here.

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