As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ENGINE START, PILOT NOTICED STARTER WOULD NOT ENGAGE FLYWHEEL. ACFT REPORTED TO MX WHERE IT WAS DISCOVERED THE STARTER MOTOR WAS INOPERATIVE. STARTER WAS REMOVED AND INSPECTION REVEALED THE MOTOR AREA HAS 2 SPOTS BURNED THROUGH THE CASING. THIS IS THE 2ND OCCURANCE OF THIS PROBLEM IN THE PAST 12 MONTHS DISCOVERED BY THIS MX SHOP. THE STARTER WAS REPLACED AND OPS CK OK.