What was found
AFTER TAKE OFF, THE AIRCRAFT RETURN TO DEPARTURE, DUE THE FAILURE OF THE VENT SKIN VALVE, ABOUT 5, 000 FT. FOLLOWED THE ECAM PROCEDURE AND THE LIMIT UP TO 10,000 FT. PERFORMED PROCEDURES IAW TSM 21-26-00-810-804-A AND FOUND THE VENT SKIN VALVE FAULTY. REMOVED AND REPLACED THE VALVE IAW AMM 21-26-53-000-002-A & AMM 21-26-53-400-001-A, OP TESTED SYS OK IAW AMM 21-26-00-710-001-A. AIRCRAFT RETURN TO NORMAL OPERATION