As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLL/ATL - FLT 128 - EXPERIENCED AN ELECTRICAL MALFUNCTION WHEN THE RIGHT GENERATOR DROPPED OFF-LINE AFTER THE AIRCRAFT STARTED ITS ROLL FOR TAKEOFF. PILOT POWERED BACK AND PROCEEDED BACK TO THE GATE. CREW RESET CIRCUIT BREAKERS AND GENERATOR RESET TO NORMAL OPERATING LEVELS.