What was found
DURING CRUISE FLIGHT, THE PILOT OBSERVED THE LT ENG OIL TEMP WAS HIGHER THAN NORMAL & APPEARED TO BE APPROACHING THE RED LINE. PERFORMED A PRECAUTIONARY IN FLIGHT SHUT DOWN OF THE LT ENG & LANDED WITHOUT INCIDENT. INSPECTED THE LT ENG OIL FILTER, OIL COOLER & OIL COOLER INLET AREA, NO DISCREPANCIES WERE NOTED. A GND RUN OF THE LT ENG WAS PERFORMED. ALL ENG PARAMETERS & INDICATIONS WERE NORMAL, COULD NOT DUPLICATE THE DISCREPANCY. AN OIL ANALYSIS WITH FILTER CHANGE WAS COMPLETED.