Part that broke in deadly UPS cargo plane crash had failed 4 other times, NTSB says
Key Points:
- Boeing warned in 2011 about a broken part related to engine mounts on MD-11 planes but did not classify it as a safety threat; this part failure contributed to the fatal UPS cargo plane crash in 2025 that killed 15 people.
- The UPS MD-11 crashed shortly after takeoff in Louisville when its left engine detached, causing a fiery crash into nearby buildings; investigators found cracks in engine mount parts that were not detected during routine maintenance.
- The crash echoes a similar 1979 DC-10 accident where an engine separated during takeoff, leading to questions about maintenance and design flaws, especially since Boeing's 2011 bulletin did not mandate repairs or classify the issue as critical.
- The MD-11 involved was over