As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AS THRUST LEVERS WERE ADVANCED FOR TAKEOFF, THE NR 3 GENERATOR DROPPED OFF LINE. ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE SWAPPED NR 2 AND NR 3 LOAD CONTROLLERS AND DEFERRED NR 2 GENERATOR INOPERATIVE. AIRCRAFT RETURNED TO SERVICE.