As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AROUND 10,000 ' ECAM FUEL: LEFT WING TANK OVERFLOW SHUT OFF LEFT CENTER TANK TRANSFER PER ECAM FUEL CONTINUED TO FLOW FROM CENTER TO LEFT TANK EVEN WITH VALVE CLOSED KEEPING LEFT TANK IN OVERFLOW CONDITION.. REPLACED FUEL VALVE ACTUATOR AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK