As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AIRCRAFT WAS IN CRUISE THE CREW OBSERVED INTERMITTENT REDUCTION GEAR BOX CHIP DETECTOR LIGHT. CREW DIVERTED, AN UNEVENTFUL LANDING WAS COMPLETED. THE TROUBLESHOOTING REVEALED PROPELLER GOVERNOR, CSU BEARING CAGE PIECES WERE FOUND ON CHIP DETECTOR POLES.