As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 2962, THE CREW REPORTED, RECEIVED A BAGGAGE DOOR INDICATION WITH AN OPEN INDICATOR AND CABIN PRESSURE AT 18000 FT SHOULD HAVE BEEN 1900 FT AND WAS READING 5900 FT AND WAS RISING. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE DIGITAL PRESSURIZATION CONTROLLER, OPERATIONALLY TESTED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.