
Metal fatigue apparent factor in United flight's engine explosion
NTSB chief Robert Sumwalt says investigators believe it played a role. The mid-air explosion sent debris down onto a Denver suburb.
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NTSB chief Robert Sumwalt says investigators believe it played a role. The mid-air explosion sent debris down onto a Denver suburb.
Full ArticleIn a virtual news update on Monday night, the National Transportation Safety Board says they believe metal fatigue played a role in..