As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) BOTH ARMATURE BEARINGS FOUND ARE UNAPPROVED PARTS. BEARINGS ARE MARKED: 203S22C 11401 JAPAN MRC. THE APPROVED BEARINGS ARE LUCAS P/N 03-6009-23. UNAPPROVED BEARINGS HELD IN QUARANTINE. CORRECT, APPROVED BEARINGS INSTALLED DURING OVERHAUL.