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A comment on NTSB Preliminary Report – UPS Boeing MD-11F Crash [pdf]. Parent comment

Re:NTSB Preliminary Report – UPS Boeing MD-11F Crash [pdf] by psunavy03 on Thursday November 20, 2025 @06:20PM (#45999245)
> Presumably it was designed to withstand the forces of this moment and clearly has done so many times before.

The report seems to suggest metal fatigue in the motor mount may be a possible culprit.

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Re:NTSB Preliminary Report – UPS Boeing MD-11F Crash [pdf] by magicalhippo on Thursday November 20, 2025 @07:30PM (#45999834)
Not the motor mount but the pylon mount. The pylon was found attatched to the engine with both engine mounts attached.

But yes, the report mentions stress factures where the aft pylon mount failed.

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