As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: UNABLE TO CONTROL AFT CABIN TEMPERATURE, WHILE RIGHT PACK ON, AFT CABIN WAS EXCESSIVELY HOT, UNTIL RIGHT PACK SHUT DOWN; AIRCRAFT DIVERTED TO AND LANDED SAFELY AT DFW. REMOVED AND REPLACED RIGHT ACM. PER AMM 21-51-04. OPERTIONAL CHECK GOOD.