As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#1 ENGINE GENERATOR WENT OFF LINE AND CREW DISCONNECTED CSD #1. GENERATOR OFF LIGHT ILLUMINATED WITH VOLDTS AND FREQ'S READING ZERO. APU SHUTDOWN WITH OIL LEVEL LIGHT ILLUMINATING. EMERGENCY PROCEDURES WERE FOLLOWED (FUEL DUMPED) A/C RETURNED TO AIRPORT. LANDING NORMAL.CORRECTIVE ACTION: OIL SERVICE LEVEL CHECKED ON APU AND GROUND RUN OPERATED SATISFACTORY I/A/W 49-00. #1 GENERATOR PLACED ON MEL 24-11-01 DMI #2249 ASSIGNED. AIRCRAFT RETURNED TO SERVICE