As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED ECAM MESSAGE CABIN PRESSURE 1 AND 2 DISPLAYED AT CRUISE FL350. THE FLIGHT CREW INITIATED IMMEDIATE DESCENT, LIGHT DECK CREW WENT ON O2 AND THE MAN CABIN PASSENGER CONTROL INITIATED THROUGH LANDING. THE AIRCRAFT LANDED SAFELY AT DFW WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE OUTFLOW VALVE AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 21-31-51.