As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 3 GEN TRIPPED OFF LINE, RESET, TRIPPED AGAIN. NR 1 GEN ALSO TRIPPED OFF, WAS ABLE TO RESET AGAIN ON GROUND. MOMENTARILY LOST ALL FUEL GAUGES, EACH GAUGE WENT BLANK ON S/O PANEL. REPLACED NR 1 AND NR 3 VRGC AND NR 1 AND NR 3 GCUS AND BUSS PROTECTION PANEL. GROUND RAN FOR 15 MIN CHECKED ALL SYSTEMS. OPS CHECKED NORMAL.