As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3224 PRES- CREW INITIATED IMMEDIATE DESCENT TO 10K FEET AND DONNED O2 MASKS DUE TO ECAM WARNING: CAB PR EXCESS CAB ALT. CORRECTIVE ACTION: REPLACED PACK-2 FCV AND TORN BELLOWS ON PACK-2 EXIT DUCT. REPLACED PACK-1 BYPASS VALVE, ALL TESTS OK. AIRCRAFT RETURNED TO SERVICE.