As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED TAIL COMPARTMENT HIGH TEMPERATURE INDICATION. EMERGENCY DECLARED, FLIGHT RETURNED TO DEPARTURE, LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. SECURED LOOSE CLAMP ON RT ACM TO HEAT EXCHANGER AND SECURED LOOSE BOOT ON DUCT DOWN STREAM OF TEMP CONTROL VALVE FOR LT AND RT SYS. SYS GROUND CHECK NORMAL OPERATION.