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www.cnn.com Investigators release preliminary findings on the United Airlines flight engine failure. Here's what we know

The investigation into the engine failure of a Boeing 777 could take more than a year, officials said, but already the picture is becoming clearer about what happened to the United Airlines flight on Saturday.

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www.usatoday.com Expert: Uncontained 777 engine failure was severewww.usatoday.com