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 AFTER TAKEOFF. CAPTAIN DECLARED AN EMERGENCY AND FLIGHT WAS DIVERTED TO BNA. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED BLOWN GASKET AT AIR CONDITIONING SUPPLY TEMPERATURE HIGH SENSOR, OPERATIONAL CHECK NORMAL.