What was found
(CAN) THE CAUSE OF THE IN FLIGHT SHUTDOWN WAS A FRACTURED TOWERSHAFT, RESULTING IN A LOSS OF DRIVE TO THE FUEL AND OIL PUMPS. FAILURE ANALYSIS OF THE TOWERSHAFT INDICATES THAT THE FRACTURE RESULTED FROM FATIGUE AT THE OUTER SURFACE, LEADING TO A TWISTED DUCTILE FRACTURE WITH THE CENTRE OF THE SHAFT FAILING IN TENSILE MODE.THERE WERE NO IDENTIFIED WORKMANSHIP ERRORS RELATED TO THE FAILURE OF THE TOWERSHAFT. 2001-04-12 TC: NO DEFINITE RESULT OF FAILURE WAS DETERMINED.