What was found
DURING TROUBLESHOOTING, RIGHT ENGINE NOT TURNING OVER WHEN STARTER SWITCH ENGAGED. FOUND WHEN STARTER SWITCH ENGAGED, STARTER MOTOR WOULD RUN, BUT ENGINE WOULD NOT TURN OVER. REMOVED STARTER ADAPTER AND FOUND CLUTCH SPRING HAD WORKED OUT OF ITS HOUSING AND RUBBING STARTER SHAFT GEAR ASSY. APPEARS THIS HAS BEEN GOING ON FOR SOME TIME. GEAR ON STARTER SHAFT GEAR ASSY HAS BEEN HOT. DISCOLORED THE GEAR. STARTER ADAPTER HAD BEEN OVERHAULED BY AN FAA CERTIFIED REPAIR STATION.