What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO PHL DUE TO THE FLIGHT CREW REPORTING THAT DURING INITIAL CLIMB FUEL ACT TRANSFER FAULT ON ECAM. THE FLIGHT CREW ACCOMPLISHED THE ECAM PROCEDURES AND LANDED SAFELY AT PHL WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED TSM TASK 28-28-00-810-874-A, ACT TANK 1 WAS AT 1100 LBS WHILE ACT TANK 2 WAS AT 0, TRANSFERED FUEL AND CORRECTED FUEL-QUANTITY MEASUREMENTS, MESSAGE CLEARED, NO OTHER FAULTS NOTED AT THIS TIME.