As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED ON CLIMB OUT. FOLLOWED THE QRH PROCEDURE & THE LIGHT EXTINGUISHED. EMER DECLARED FLIGHT RETURNED. ACFT REMOVED FROM SERVICE. REPLACED LT & RT TAIL COMPARTMENT OVERHEAT SENSORS & PERI SEALS.