As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, CREW REPORTED CABIN ALTITUDE CLIMBING ABNORMALLY IN AUTO MODE. CREW DECLARED AN EMERGENCY & DESCENDED TO FL100, DIVERTED & LANDED WITHOUT INCIDENT. CREW DID NOT ATTEMPT USING MANUAL MODE, & OXYGEN MASKS WERE NOT DEPLOYED. MX CONFIRMED MANUAL MODE OPERATING NORMALLY & AUTO PRESSURIZATION MODE PLACED ON MEL. ACFT DEPARTED WITHOUT FURTHER DIFFICULTIES. DIGITAL PRESSURE CONTROLLER WAS REPLACED ALONG WITH THE CABIN PRESSURE ACQUISITION MODULE.