As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 NORMAL TRANSFER BUS CIRCUIT BREAKER ON THE P6-11 POPPED AND TRANSFER BUS DID NOT TRIP OFF. RESET AND IT POPPED AGAIN AFTER 5 MINUTES. SHORTLY AFTER, THE FOLLOWING LIGHTS CAME ON, NR 1 B ELECTRIC LOW PRESSURE, NR 1 AFT FUEL BOOST PUMP LOW PRESSURE, ANTI-SKID INOP LIGHT AND AUTOBRAKE DISARM LIGHT. R3 TRANSFER RELAY FAILED. REPLACED R3 TRANSFER RELAY.