As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ENROUTE FLIGHT DIVERTED DUE TO ECAM MESSAGE VENT AVIONICS SYSTEM FAULT. VENT AND EXTRACT VALVES POSITION AMBER ON CABIN PRESSURE PAGE AND UNABLE TO PRESSURIZE CABIN. MAINTENANCE ACTION INVOLVED REPLACING SKIN AIR EXHAUST VALVE. EXTRACT VALVE SEQUENCED AND AEVC (AVIONICS EQUIPMENT VENTILATION COMPUTER) RESET.