As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAS CREW REPORTED RT HAND ENG HIGH OIL TEMPERATURE INDICATION. ACCOMPLISHED QRH & SHUT DOWN RT HAND ENG IN FLIGHT, SINGLE ENG TIME 22 MINUTES. EMERGENCY DECLARED FLIGHT RETURNED LAS LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED AIR FUEL HEATER SHUT-OFF VLV. SYSTEM GROUND CHECKED NORMAL OPERATION CLOSED.