What was found
DURING CRUISE FLIGHT, THE PILOT NOTICED THE LT ENG OIL TEMP INDICATED ABOVE REDLINE, APPROX 110 DEGREES. THE PILOT ELECTED TO DIVERT BACK, DURING DESCENT THE OIL PRESS INDICATED IN THE YELLOW ARC, APPROX 65 PSI, AT THAT POINT PILOT DECIDED TO PERFORM A PRECAUTIONARY LT ENG SHUT DOWN. PILOT FOLLOW PROCEDURES IN PILOT OPERATING HANDBOOK & SAFELY SHUT DOWN LT ENG. LANDED WITHOUT FURTHER INCIDENT. TROUBLESHOOTING REVEALED FAULTY OIL TEMP BULB. R & R OIL TEMP BULB & PERFORMED ENG RUNNING OPERATIONAL CHECKS. ALL SYS CHECKED WERE NORMAL.