What was found
FLT 1207, FLL-LAS. AN EMERGENCY WAS DECLARED, AIRCRAFT RETURNED TO FLL, VENT SKIN VALVE FAULT AFTER TAKE OFF COMPLETED ECAM ACTIONS WOULDN'T RESET, RETURNED TO FLL, PERFORMED AN OVERWEIGHT LANDING 4600 LBS OVER TOUCHDOWN AT 300 FT/MIN, REMOVED AND REPLACED (21HQ) AIR OUTLET VALVE IAW AMM 21-26-53-000-002-A. OPS CHECK GOOD."