As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - FUEL T TANK XFR FAULT (FILL T TANK TO MAX CAPACITY THEN FAULTS,TRANSFERS FORWARD OK.) APPEARS TO OVERFILL FROM LEFT INNER // PERFORMED FUEL VALVES TEST. NOTED FUEL AFT XFR VALVE 1 (700QN1) FAILED. REMOVED & REPLACED VALVE ACTUATOR PER AMM 28-27-54. OPS CHECK OK. OKAY FOR SERVICE. ACTUATOR, SINGL OFF 43-2826-9-0002 S/N 51882 ON 43-2826-9-0001 S/N 54849