As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FOUND A SMALL PIECE OF COTTER PIN ON OIL SUMP DRAIN PLUG MAGNET DURING INSPECTION OIL CHANGE. FOUND END OF COTTER PIN ON LT MAGNETO MISSING WHICH HAD BEEN BENT OVER DURING INSTALLATION AT OVERHAUL. NUT AND REMAINING COTTER PIN STILL IN PLACE NO LOSS OF TORQUE NOTED. LAST O/H ON JULY 24, 2012, INSTALLED SEPT. 4, 2012. NEW COTTER PIN INSTALLED. AEROTEC WAS ADVISED.