As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 1269 - AFTER DEPARTURE DFW DURING CLIMB-OUT AT FL 210, CABIN ALTITUDE BEGAN TO CLIMB. ACCOMPLISHED EMERGENCY DESCENT AND AIRCRAFT RETURNED TO DFW, LANDING WITHOUT INCIDENT. REPLACED CABIN PRESSURIZATION CONTROL PANEL. ACCOMPLISHED GROUND ENGINE RUN AND PRESSURIZATION CHECK WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)