OVERTALK: You mentioned catastrophic failures of Allison engines.
A C-130B of the AFRES Squadron at Colorado Springs, CO, lost a plane and crew in the 90s. An engine lost a turbine blade, which might have sliced straight into the left wing, and into a fuel tank.
There was too little time to get to a low enough altitude and airport before the wing exploded.
At least there seem to have been no passengers onboard.