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 EN ROUTE. FLIGHT DIVERTED TO BHM AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND PERI SEAL LEAK AFT OF RIGHT HEAT EXCHANGER DUCT. REPLACED PERI SEALS. ALSO, REPLACED RIGHT TAIL COMPARTMENT HIGH TEMPERATURE SENSOR, LEAK AND OPERATIONAL CHECK NORMAL.