As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW MASTER WARNING WITH TAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED. ACCOMPLISHED QRH & LIGHT WENT OUT. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED BOTH OVERTEMP SENSORS. SYSTEM GROUND CHECKED NORMAL OPERATION CLOSED.