As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BEARING RACE SILVER PLATING DELAMINATED. FOUND SILVER IN MAIN OIL FILTER CHECK AT ROUTINE MFG INSPECTION. BEARING WAS REMOVED FROM SERVICE BY STANDARD AERO AND WARRANTED BY MFG. ALSO COPPER FLASHING FOR SILVER PLATING WAS ALSO PEELING FROM RACE. MFG SIL ADDRESSED THIS PROBLEM ON THE NR 2 AND NR 3 BEARINGS IN A CERTAIN BATCH THAT THE COPPER FLASHING WAS OMITTED IN MANUFACTURING. THIS WAS A NR 1 BEARING AND THE COPPER FLASHING WAS PRESENT BUT DELAMINATING.