As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, ECAM MESSAGE CAB PR SYS 1+2 FAULT ILLUMINATED AND ESCESSIVE CABIN ALTITUDE WAS NOTICED. CREW INITIATED EMERGENCY DESCENT WHILE USING MANUAL PRESSURIZATION CONTROL AVERTING PASSENGER OXYGEN MASK DEPLOYMENT. FLIGHT DIVERTED TO MSP AND LANDED WITHOUT INCIDEN. MAINTENANCE REPLACED NR 1 AND NR 2 CABIN PRESSURE CONTROLLERS AND OUTFLOW VALVE, OPERATIONAL CHECK OK.