As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED NUMBER 2 CABIN PRESSURE CONTROLLER INOPERATIVE DURING CLIMBOUT WITH NUMBER 1 ON PLACARD. FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED BOTH PRESSURE CONTROLLER MOTORS. SYSTEM GROUND CHECK NORMAL OPERATION.