As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, THE NR 2 GENERATOR OFF LIGHT ILLUMINATED AND THE AC BUS TIE ISOLATION LIGHT ILLUMINATED. NR 3 GENERATOR ON A PREVIOUS MEL. AIRCRAFT DUMPED 19,000 LGS OF FUEL AND RETURNED TO HNL. MAINTENANCE SWAPPED THE APU GCU WITH THE NR 2 GCU. BOTH NR 2 AND PU GENERATOR OPERATED NORMALLY.