As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH TO LANDING PILOT ATTEMPTED TO TRIM NOSE UP WITH NO RESPONSE USING ELECTRIC TRIM. PILOT ATTEMPTED TO USE MANUAL TRIM AND THE TRIM WHEEL WOULD NOT TURN. PILOT LANDED AIRCRAFT WITHOUT INCIDENT. UPON INSPECTION OF ELEVATOR TRIM SYSTEM FOUND ELECTRIC TRIM SERVO SHAFT WOULD NOT TURN. REPLACED TRIM SERVO ELECTRIC TRIM, OPS CHECK OK.