As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURN BACK, DURING CLIMB OUT CAB PRESSURE ECAM ADVISORY DISPLAY V/S AT 0. THEREAFTER ECAM CABIN PRESS REG 1 FAULT. FOLLOWED ECAM AND TURNED NR 1 OFF. LEVELED OFF AT 14,000 AND CABIN ALTITUDE OF 14000'. ECAM SHOWED FWD. PERFORMED TECH RECOMMENDED FUNCTIONAL TEST OF CABIN PRESSURE CONTROLLERS AND TEST OF AUTO SYSTEM CONTROLS PER AMM 21-31-00/501. TESTS OK.