As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - (REPEAT ITEM) CREW REPORTED TAIL TEMPERATURE HIGH LIGHT ILLUMINATED DURING CLIMBOUT. ACCOMPLISHED QRH AND LIGHT EXTINGUISHED. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED SEALS IN LEFT PACK SIDING DUCT. SYSTEM GROUND CHECK NORMAL OPERATION.