As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAIL COMPARTMENT TEMPERATURE HIGH ILLUMINATED. EMER DECLARED FLIGHT RETURNED & LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. REPLACED PERI-SEALS ON RT AIR CONDITIONER DUCT & TIGHTENED LOOSE CLAMP ON BOTTOM OF LT HEAT EXCHANGER. SYS GND CHECKED NORMAL OPERATION CLOSED.