As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAS - CREW REPORTED TAIL COMPARTMENT OVERHEAT LIGHT ILLUMINATED. EMERGENCY DECLARED FLIGHT RETURNED LAS LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND PERI SEALS LEAKING AT LEFT CONNECTOR ON LEFT PRESSURIZATION DUCT FROM HEAT EXCHANGER AND PERI SEALS LEAKING AT RIGHT CONNECTOR ON RIGHT PRESSURIZATION DUCT FROM HEAT EXCHANGER. REPLACED LEFT AND RIGHT PERI SEALS. SYSTEM GROUND CHECK NORMAL OPERATION.