As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AS THE AIRCRAFT CLIMBED THROUGH FLIGHT LEVEL 230, THE CREW RECEIVED A CABIN ALTITUDE PRESSURIZATION MESSAGE. THE CREW RAN THE IMMEDIATE ACTION LIST AND BEGAN IMMEDIATE DECENT. THE CREW DEPLOYED OXYGEN MASKS AND DECLARED AN EMERGENCY. THE FLIGHT LANDED WITHOUT INCIDENT AND MAINTENANCE WAS DISPATCHED TO INSPECT AND POSSIBLY FERRY TO A MAINTENANCE BASE. MX REMOVED & REPLACED CABIN PRESSURE SELECTOR PANEL OPS & LEAK CHECK NORMAL.