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: IMMEDIATELY AFTER TAKEOFF THE CONTROL CABIN TEMPERATURE BECAME EXCESSIVELY HOT AND THE CONTROL CABIN ZONE TEMP OVERHEAD LIGHT ILLUMINATED; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT DFW.**SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).