As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SFO - INFLIGHT SJC-DFW CREW REPORTED TAIL COMPARTMENT TEMPERAURE HIGH LIGHT ILLUMINATED DURING CLIMB-OUT. EMERGENCY DECLARED FLIGHT DIVERTED SFO LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND TOP DUCT LEAK FROM TUBING ABOVE HEAT EXCHANGER. REPOSITIONED SCAFT HOSE AND CLAMPS. SYSTEM GROUND CHECK NORMAL OPERATION.