UPS, NTSB and Boeing
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The NTSB said Boeing previously warned plane owners in 2011 about a flawed part and that it contributed to the engine flying off a UPS plane before it crashed.
WASHINGTON, Jan 14 (Reuters) - A cracked part found on a UPS MD-11 cargo jet that crashed in November in Kentucky was flagged in a Boeing service letter more than a decade earlier, the National Transportation Safety Board said on Wednesday.
Investigators have pinpointed the exact part that failed in the fiery Louisville crash of a UPS cargo flight in November, killing 14 in all.