What was found
OMA/LAS - FLT 780 - AIRCRAFT DIVERTED TO ICT. DURING PREVIOUS FLIGHT TO OMA, NR 2 ENGINE RT ANTI-ICE VALVE BECAME INOPERATIVE. CONTRACT MX WAS INSTRUCTED TO LOCK THE VALVE IN THE OPEN POSITION AND MX CONTROL ISSUED AN UNMANNED STATION RELEASE. SHORTLY AFTER TAKEOFF FROM OMA, NR 2 ENGINE FUEL HEAT VALVE WOULD NOT CLOSE AND OIL TEMPERATURE ROSE TO 140 DEGREES. CREW SHUT NR 2 ENGINE DOWN AND DIVERTED AIRCRAFT TO ICT. CONTRACT MX FOUND FUEL HEAT VALVE LOCKED IN OPEN POSITION. MAINTENANCE UNLOCKED FUEL HEAT AND LOCKED RT ANTI-ICE VALVE OPEN. ALSO, PERFORMED WINDMILL INSPECTION PROCEDURE WITH NO DEFECTS NOTED. ACFT RELEASED FOR FURTHER SERVICE. (X)