What was found
AFTER TAKEOFF FROM SYR, NR 1 ENGINE OIL TEMP WENT TO 120 DEGREES 10 MINUTES INTO FLIGHT AND REMAINED STEADY UNTIL ENGINE WAS BROUGHT BACK TO FLIGHT IDLE. A/C DIVERTED INTO BGM, AND LANDED WITHOUT INCIDENT. MX TROUBLESHOT AND FOUND THE NR 1 ENGINE OIL COOLER DIVERTER VALVE AT FAULT. REMOVED AND REPLACED VALVE, LEAK AND OPERATIONAL CHECKED GOOD. TEST FLIGHT PERFORMED SATISFACTORY. A/C RETURNED TO SERVICE. (M)