As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ENG 1 FADEC ALTERNATOR FAULT. DECESION MADE TO RETURN TO CLT, NO EMERGENCY DECLARED AIRCRAFT LANDED WITHOUT INCIDENT. T/S IAW TSM 77-10-00-810-839-A FOUND THAT PREVIOUS TROUBLESHOOTING SHOWS HARNESS TO BE GOOD. SAME FAULT RETURNED, FOUND NO FAULTS WITH ECU. MAINTENANCE REPLACED ALTERNATOR/STATOR DUE TO INTERMITTENT FAULTS IAW AMM 73-21-30.