As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW CREW REPORTED TAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. REPLACED RT OVERHEAT TEMPERATURE SENSOR THAT HAD SHORTED. SYS GND CHECKED NORMAL, OPERATION CLOSED.