As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
T/R GEARBOX REMOVED DUE TO METAL IN OIL. FOUND OUTPUT DUPLEX BEARING P/N 212-040-456-001, S/N J6885, T.T. 1669:25 SPALLED. LUBRICATION PORT TO FEED BEARING NOT PRESENT IN ABOVE MENTIONED CASE ASSEMBLY CAUSING BEARING FAILURE. REPAIRED GEARBOX WITH NEW PART.