As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - FLT 5201 - CREW REPORTED THE NR 1 ACW ALTERNATOR FAULTED IN FLIGHT. CREW RETURNED TO MIA WITH NO FURTHER INCIDENTS. MAINTENANCE REMOVED AND REPLACED THE NR 1 ACW GENERATOR CONTROL UNIT. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)