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. FLIGHT WAS RETURNED TO JAX AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND LEFT HEAT EXCHANGER SLEEVE BLOWN AND PERI SEALS MISSING. REPLACED SLEEVE AND SEALS, LEAK AND OPERATIONAL CHECK WAS NORMAL.