As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - DFW - EL - CREW REPORTED DURING CLIMB, WERE NOT ABLE TO PRESSURIZE THE A/C. CREW DECLARED AN EMERGENCY AND RETURNED TO PHX. MX FOUND BROKEN WIRE ON E/E DOOR SENSOR SWITCH S197. MX REPAIRED WIRE IAW MM CH 20. EQUIPMENT DOOR LIGHT AND WARNING OPERATIONAL CHECKS WERE GOOD. THE A/C WAS RETURNED TO SERVICE.