As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: WHILE CLIMBING OUT OF DALLAS, FLIGHT ATTENDANTS STATED THAT THECABIN WAS HOT. AFTER A FEW MORE CALLS WE CHECKED THE TEMPS AGAIN AND NOTICED THAT THE RIGHT PACK WAS AT 195 DEGREE. WE RAN THE HOT CABIN TEMP CHECKLIST. AFTER TURNING THE RIGHT PACK OFF, WEWERE ABLE TO CONTAIN THE TEMPERATURE.WE RETURNED TO DFW AFTER DECLARING THE EMERGENCY. LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE RIGHT HAND ACM IAW AMM 21-21-04.