What was found
THE CREW REPORTED THAT DURING CRUISE FLIGHT, APPROXIMATELY 50 MINUTES AFTER TAKEOFF, A LEVEL 2 ALERT OF A GENERATOR BUSS 3 FAULT WAS DISPLAYED IN THE EAD. FOLLOWED QRH PROCEDURES, DEPLOYED THE ADG AND NO FUEL DUMP WAS PERFORMED. RETURNED TO DEPARTURE WITHOUT FURTHER INCIDENT. R & R DIFFERENTIAL PROTECTION CURRENT TRANSFORMERS, T1-9071, T1-9074 & T1- 9080. GROUND OPS NORMAL. SYSTEM CHECKED OK.