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 AND THE AIRCRAFT RETURNED TO DFW DUE TO THE FLIGHT CREW REPORTING THAT ON CLIMB OUT THE FLIGHT DECK TEMPERATURE CLIMED AS HIGH AS 102 DEGREES ALL CONTROLS WERE NORMAL. NO ECAM INDICATIONS. THE AIRCRAFT LANDED SAFELY AT DFW WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE PACK ZONE CONTROLLER 8HK PER AMM 21-63-34 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.