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 ILLUMINATED DURING GEAR RETRACTION. EMER DECLARED FLIGHT RETURNED & LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. REPLACED RT AIR CYCLE MACHINE COOLING TURBINE. SYS GND CHECKED NORMAL OPERATION CLOSED.