As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT DEPARTED KCLT AT 0825 FOR DESTINATION KJAX. DURING CRUISE, ALTERNATOR 1 ANNUNCIATOR LIGHT ILLUMINATED INDICATING A FAILURE. THE PILOT DIVERTED TO KGMU WITH AN UNEVENTFUL LANDING. THE ALT 1 FIELD WIRE WAS FOUND TO BE BROKEN. FIELD WIRE WAS REPAIRED BY SATSAIR MAINTENANCE AND THE AIRCRAFT WAS RETURNED TO SERVICE.