As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BEARING ROLLERS BREAKING DOWN AFTER SHORT PERIOD OF RUNNING TIME. PITTING WAS THE RESULT OF THE FATIGUE ON THE BEARING ROLLERS. WONDER IF THE ADDITION OF THE COPPER PLATING ON THE ID OF THE BEARING WAS TAKEN INTO ACCOUNT FOR THE OVERALL FITS AND CLEARANCES BETWEEN THE BEARING AND PINION SHAFT. MIN. CLEARANCE 0.0008T; ACTUAL 0.0025T. (X)