As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: LEFT TRANSFER FAULT-ECAM ACTION DID NOT CLEAR LEFT TANK -14000 AND STAYING CENTER 3800 RIGHT 12000 UNABLE TO GET FUEL OUT OF LEFT TANK. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO CLT WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED FUEL CONTROL VALVE ACTUATOR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 28-26-43.