Boeing knew of defect tied to fatal UPS plane crash in Louisville, NTSB finds
The NTSB said its team found fatigue cracking and overstress failure across much of the bearing race inside the area that attached the plane's left engine to its wing.
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The federal investigation into last year's fatal UPS plane crash in Louisville showed one of the key defects found on the plane's failed engine was a known issue among Boeing's service team, albeit one Boeing didn't believe would lead to a "safety of flight condition."
