As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) - METAL GENERATION, SCHEDULED 100 HOUR INSPECTION.- GEARBOX REMOVED AND SENT FOR REPAIR. - TEARDOWN INSPECTION FOUND THAT THE INPUT GEARSHAFT HAD FAILED INBOARD OF THE INPUT GEAR.- THIS GEARBOX HAD BEEN REPAIRED ON 3 PREVIOUS OCCASIONS FOR CLOUDY OIL/SLUDGE IN OIL.- THE FAILED SHAFT HAS BEEN SENT FOR METALLURGICAL INSPECTIONS.