Metal fatigue causes wing panel to fall

by Charlie Leocha on April 23, 2008

A large section of the wing of a US Airways flight dislodged while flying over Maryland last month. NTSB Investigators blame metal fatigue.

The National Transportation and Safety Board said that two of the three clips that held the wing panel onto the frame failed due to metal fatigue. US Airways immediately inspected all other similar 757 aircraft wing panels and made repairs and returned the planes to service.

The good news — Though the wing panel hit the side of the plane and broke one of the windows, the inner window didn’t break and there was no loss of cabin pressurization and now we and the NTSB know that the 757 flies just as well with a 20-square-foot section of wing missing.

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