What was found
LEVELED OFF AT FL330, OIL TEMPERATURE BEGAN INCREASING. INCREASED THRUST, ATTEMPTING TO DECREASE OIL TEMPERATURE, BUT IT CONTINUED TO CLIMB, TURNING AMBER, THEN RED UNTIL IT REACHED 165 DEGREES, SHUT DOWN NR 1 ENGINE AND DIVERTED. REMOVED AND REPLACED TEMP BULB IAW MM. RAN ENGINE FOR 1 HOUR AT VARIOUS POWER SETTINGS AND OIL TEMPERATURE NEVER CLIMBED ABOVE 100 DEGREES. OPS AND LEAK CHECK GOOD, OK FOR SERVICE.