As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, TAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED. FOLLOWED COM PROCEDURES AND LIGHT WENT OUT. RETURNED TO ONT AND LANDED WITHOUT INCIDENT. REPLACED GASKET IN RIGHT SIDE PNEUMATIC SUPPLY TEMPERATURE SENSOR. RAN BOTH ENGINES TO TAKEOFF POWER, OPERATIONAL CHECK OK.