Investigators look at engine wear and tear in jet tragedy
PHILADELPHIA (AP) " The investigation into a deadly engine failure on a Southwest jet is focusing on whether wear and tear caused a fan blade to snap off, triggering a catastrophic chain of events that killed a passenger and broke a string of eight years without a fatal accident involving a U.S. airliner.From investigators' initial findings, the accident appears remarkably similar to a failure on another Southwest plane two years ago " an event that led the engine manufacturer and [...]
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