As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AIRCRAFT WAS GROUNDED. AFT TAIL COMPARTMENT TEMP HIGH LIGHT CAME ON DURING CLIMB OUT FL240. MEMORY ITEMS WERE COMPLETED AND THE FLIGHT DECLARED AN EMERGENCY. HIGH TEMP LIGHT WENT OUT AFTER COMPLETING QRH PROCEDURES. REMOVED AND REPLACED RT PACK DUCT CONNECTOR PERI-SEALS PER AMM 21-20-15. OPS AND LEAK CHECK GOOD.