What was found
(CAN) DURING ANNUAL INSPECTION/UNSCHEDULED ENGINE CHANGE, STARTER/GENERATOR WAS REMOVED & INSPECTED BEFORE TRANSFER TO REPLACEMENT ENGINE. AME NOTICED FRICTION RING SPLIT & PROTRUDING FROM SHAFT PLATE. STARTER GENERATOR SENT TO LOCAL REPAIR FACILITY FOR REPAIR. INSPECTION REPORT INDICATES FRICTION RING WAS FOUND TO BE CLAMPED SECURELY BETWEEN SHAFT PLATE & DAMPER PLATE, DUE TO THE SHAFT NUT BEING TIGHTENED DOWN ALL THE WAY. NEW FRICTION RING INSTALLED IAW CMM.