As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAIL COMPARTMENT TEMP HIGH LIGHT CAME ON DURING CLIMB OUT. NO ANTI-ICE WAS ON. A/C SUPPLY SWITCHES TURNED TO HP BLEED OFF. LIGHT WENT OFF. AN EMER WAS DECLARED & THE FLIGHT RETURNED WITHOUT FURTHER INCIDENT. R & R LEAKING PERI-SEAL IAW AMM 21-20-15. NO LEAKS NOTED AT THIS TIME. THE ACFT WAS GNDED.