As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THEY WERE UNABLE TO PRESSURIZE THE AIRCRAFT IN THE AUTO PRESSURIZATION MODE. THE CREW RETURNED TO FIELD & LANDED WITHOUT INCIDENT. THE AUTO PRESSURIZATION FUNCTION WAS DEFERRED. THE DEFERRAL WAS CLEARED ON 11/21/2013 WHEN MX REPLACED THE DIGITAL CONTROLLER. OPERATIONS CHECKED GOOD WITH NO FURTHER DEFECTS NOTED.