As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO PHX, AFTER LEVEL OFF AT FL270 ECAM MESSAGE FUEL LEFT WING TANK OVERFLOOD. CREW ACCOMPLISHED QRH AND ECAM PROCEDURE. UNABLE TO REDUCE LEFT WING TANK FUEL QUANTITY. THE AIRCRAFT LANDED SAFELY AT PHX WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED LEFT HAND CENTER TANK TRANSFER VALVE ACTUATOR 11QL PER AMM 28-25-53 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.