As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE CHANGING CHIP PLUG RECEPTACLE, ENGINEER USED SYRINGE TO SUCK REMAINING OIL OUT OF GEARBOX WHEN HE VIEWED IN THROUGH RECEPTACLE HOLE WITH FLASHLIGHT HE DISCOVERED A WASHER UPON RETREIVING WASHER, HE DISCOVERED THAT IT WAS BENT AND APPARENTLY HAD GONE THROUGH GEAR TRAIN. GEAR BOX WAS THEN REMOVED AND SENT TO MFG FOR EVALUATION.