As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ANNUAL INSPECTION, WHILE COMPLYING WITH AD-07-05-15 (DATED 04/16/07), STARTER ADAPTER 400-HOUR INSPECTION IAW MSB 94-4G, FOUND ONE BROKEN TOOTH ON CAMSHAFT GEAR. ENGINE DISASSEMBLED WITH NO OTHER INDICATIONS FOUND OF RELATED DEFECTS OR DAMAGE INTERNALLY OR EXTERNALLY. NO METAL FOUND IN OIL FILTER OR INTERNAL TO THE ENGINE. BROKEN TOOTH NOT FOUND. CAMSHAFT GEAR PN 656914 SUPERCEDES PN 537432.