As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VENT SKIN VALVE FAULT ON ECAM AT APPROXIMATELY 1500 FT, PERFORMED ECAM PROCEDURE AND QRH AND THEN RECEIVED ECAM FOR BLOWER FAULT CABIN PRESSURE REACHED A MAXIMUM DIFFERENTIAL OF 4.2 PSI. CREW DECIDED TO MAKE AN AIR RETURN TO DEPARTURE. R & R SKIN AIR INLET VALVE PER AMM 21-26-52. R & R CHECK VALVE 2150HM IAW AMM 21-26-56 REF. R & R AVIONIC EQUIP, ENT FILTER PER AMM 21-26-43.