As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED DURING CRUISE FLIGHT, APPROXIMATELY 1 HOUR FROM DESTINATION THAT A LEVEL 2 ALERT FOR GEN BUSS 3 FAULT WAS DISPLAYED ON THE EAD. FOLLOWED THE QRH PROCEDURES, DEPLOYED THE ADG AND NO FUEL DUMP WAS PERFORMED. LANDED WITHOUT ANY FURTHER INCIDENT OR DELAY. REMOVED NR 3 BUSS ASSY FEEDER CABLES, NR 3 GR & NR 3 GEN CONTROL RCCB. STOWED ADG. OPS CHECK NORMAL. ACFT RELEASED FOR SERVICE.