As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, ALL COCKPIT LIGHTS FLICKERED FOLLOWED BY NR 2 GENERATOR OVER EXCITATION FOLLOWED BY PHASE IMBALANCE. NR 3 BUSS TIE TRIPPED FOLLOWED BY NR 3 GEN I TRIP. TROUBLESHOOTING FOUND NR 3 GENERATOR IS CAUSING THE PROBLEM. DISCONNECTED NR 3 GENERATOR. R & R NR 3 GENERATOR AND NR 3 LOAD CONTROLLER, OP'S CHECKED NORMAL.