As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
B18271 20 MINS AFTER REFUELING COMPLETED AND WITH CORRECT LEVEL IN EACH TANK FUEL SPILL FROM LT SURGE TANK. REPLACED NR 1 MAIN TANK REFUELING VLV IN LAX. PARTS FROM UA. REPLACED NR 1 CROSSFEED VALVE AND BOOSTER PUMP BYPASS CHECK VALVE WHILE A/C ARRIVED TPE.