As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ON DECENT, STD LITE ON BOTH CAPTAINS/FIRST OFFICERS PFD FLASHING C FL240. AT FL180, SWITCHED TO LOCAL ALTIMETER, PUT US 6000' HIGH ON DECENT PROFILE. AT 7000' CAB PR. (A DIFF PR. ECAM MSG. FOLLOWED BLUE LIST-CAB ALT STILL@ 6500'C 7000' ALTITUDE. SWITCHED TO MAN MODE TO LOWER CABIN. MAINTENANCE REPALCED OUTFLOW VALVE AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 21-31-51.