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Old 20th Mar 2017, 06:59
  #97 (permalink)  
onetrack
 
Join Date: Nov 2004
Location: Perth - Western Australia
Age: 70
Posts: 1,806
I'd suggest the engine vibration abnormality leading to the crew shutting it down, was due to the propellor assembly becoming unbalanced as the shaft started to fracture on a serious scale - and as the engine was being shut down and the prop being feathered, the fracture finally extended to the full circumference of the shaft, and the propellor assembly then fell off.

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