As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED A SKIN VENT VALVE FAULT ECAM MESSAGE. CABIN PRESSURIZATION ISSUE AND RETURNED TO DEPARTURE. NO EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDEDSAFELY WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE SKIN VENT VALVE IAW AMM 21-26-53 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.