As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED DURING TAKEOFF TAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND LOOSE CLAMP ON AUGMENTATION VALVE TO PNEUMATIC DUCT. TORQUED CLAMP. SYSTEM GROUND CHECK NORMAL OPERATION.