As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) GEARBOX RECEIVED FROM THE USA FOR INVESTIGATION OF METAL CONTAMINATION. UPON DISASSEMBLY THE SUBJECT BEARING SHOWS SIGNS OF EXCESSIVE PEELING ON ONE BALL, 75 PERCENT OF AREA AFFECTED. ANOTHER BALL ALSO STARTING TO PEEL. ONE HALF OF SPLIT INNER RACE HAD SPALLING OVER 10 PERCENT OF BEARING SURFACE.