As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLIGHT, ALTERNATOR INOPERATIVE ANNUNCIATOR ILLUMINATED. ATTEMPT TO RESET FAILED ACFT LANDED WITH OUT INCIDENT. ON INSPECTION BY MX, RT ALTERNATOR WAS FOUND TO BE FROZEN AND BELT ALMOST COMPLETELY WORN THROUGH. ALTERNATOR AND BELT WERE REPLACED AND ACFT RETURNED TO SERVICE.