As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN CRUISE FLIGHT, ENGINE CHIP LIGHT ILLUMINATED, PILOT LANDED IN FIELD. INSP OF BOTH ENGINE CHIP DETECTORS REVEALED MULTIPLE CHIPS. THE SOURCE OF THE METAL WAS DUE TO FAILURE OF THE PTO BEARING, PN (M250-10121) THE ENGINE GEARBOX IS AN "ON CONDITION" ITEM AND ACCORDING TO THE REPAIR FACILITY FAILURE OF THIS BEARING IS ONLY SEEN IN HIGH TIME ENGINES.