What was found
(CAN) ALTERNATOR REMOVED FROM A/C ENGINE FOR INVEST. & TO SEE IF RETAINER CUP WS DAMAGED. SMALL PIECES OF METAL & RUBBER FELL OFF ACCESSORIES CASE UPON REMOVAL OF ALTNR. LOOKING AT ALTERNATOR SPLINE GEAR & DRIVE SHAFT, EVIDENCE OF DAMAGES WERE FOUND. RETAINING CUP WAS SHREDDED IN PIECES & ONLY ONE RUBBER BUSHING LEFT IN PLACE. AT TIME OF REMOVAL ALTNR WAS CHARGING PRO PERLY INDICATING THAT SHAFT OF ROTOR WAS STILL TURNING. RETAINING CUP & RUBBER BUSHINGS ARE MOUNTED BETWEEN SPLINE GEAR DRIVING SHAFT & ROTOR SHAFT OF ALTNR. THIS INSTATION IS DESIGNED TO SHEAR OFF & PREVENT DAMAGES TO ENGINE IN CASE WHERE AN ALTNR. THIS INST IS DESIGNED TO SHEAR OFF