As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOLLOWING APU DOOR OPEN & R PACK OFF CAUTION MESSAGES PRESSURIZATION BEGAN STEADILY RISING. STARTED TO DESCEND TO COMBAT RISING CABIN ALTITUDE. CABIN ALT CAUTION MESSAGE APPEARED. DECLARED AN EMERGENCY AND DESCENDED TO 10000 FEET AND MESSAGE EXTINGUISHED. (FLIGHT 3197 FILED OPEN)THIS IS CURRENTLY A WORK IN PROGRESS.