In a 'severe' case of the engine disintegrating internally and 'locking up' the pins connecting the engine to the mount(s) the pins are designed to shatter and release the engine 'harmlessly'.
The crash of flight 191 in Chicago was somewhat different, the pin didn't let go, the mount did, and when the engine separated from the wing it damaged enough hydraulics the plane was no longer flyable.
IIRC, in Europe a crash occurred when the pin(s) failed on a good engine. That 747 hit an apartment building.
The crash of flight 191 in Chicago was somewhat different, the pin didn't let go, the mount did, and when the engine separated from the wing it damaged enough hydraulics the plane was no longer flyable.
IIRC, in Europe a crash occurred when the pin(s) failed on a good engine. That 747 hit an apartment building.
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