As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB-OUT (90,00+) ELECTRIC LIGHT ON MAP ILLUMINATED, EMERGENCY BUS OFF LIGHT ILLUMINATED. ELECTRIC BUSSES OFF RELAYS EMERGENCY BUSSES 1 CB POPPED. ELECTRIC DC INDICATION (EMERGENCY) 1 POPPED. DIVERTED TO FAT. REPLACED EMERGENCY DC BUS 1 OFF RELAY (K0439). OPS CHECKS GOOD IAW MM 24-52-00.