As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE REDUCTION GEARBOX WAS FOUND TO HAVE METAL FLAKES OF BEARING MATERIAL ON THE CHIP DETECTOR. THE SOURCE OF THE METAL CONTAMINATION WAS FOUND TO BE THE #15 BEARING WHICH HAD SPALLED BADLY ON THE OUTER RACE WITH SUBSTANTIAL MATERIAL LOSS. THIS WAS A RESULT OF ELECTRICAL EROSION PITTING, WHICH WAS ALSO FOUND ON THE #19 BEARING.