NTSB chief Robert Sumwalt says investigators believe it played a role. The mid-air explosion sent debris down onto a Denver suburb.
  • CBS News
  • Feb 23, 2021

Metal fatigue apparently played role in engine explosion on United Flight 328 over Denver, NTSB chief says - CBS News

Metal fatigue apparently played a role in the engine explosion on a United Airlines flight over Denver Saturday, National Transportation Safety Board Chairman Robert Sumwalt said in a virtual news co… [+3647 chars]

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