As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SAT - CREW REPORTED TAIL COMPARTMENT HIGH TEMPERATURE LIGHT ILLUMINATED DURING CLIMBOUT. EMERGENCY DECLARED FLIGHT RETURNED SAT LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED FLOW CONTROL CHECK VALVE THAT WAS CRACKED. SYSTEM GROUND CHECK NORMAL OPERATION.