As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALTERNATOR FAILURE IN FLIGHT, PILOT MADE A PRECAUTIONARY LANDING AT PRIVATE AIRSTRIP DUE TO A BURNING SMELL IN THE CABIN. UPON INSPECTION MAINTENANCE, PERSONNEL FOUND THE ALTERNATOR HAD SEIZED, AND THE BURNING SMELL WAS FROM THE BELT SLIPPING ON THE SEIZED PULLY. THE ALTERNATOR AND BELT WERE REPLACED AND OPS CHECKED GOOD.