As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEARBOX RETURNED FOR: PROP SHAFT SEAL RUNNER HAS CADMIUM PLATING MISSING. AT DISASSEMBLY, DISCOVERED TABBED WASHER WAS BROKEN INTO 3 PIECES. DRIVE GEAR RETENTION NUT WAS REMOVED WITH NO TORQUE APPLIED. THE TABBED WASHER HAS BEEN SUPERSEDED BY 7895922.