What was found
AT LEVEL OFF 13,000' 0 LEFT OIL TEMP WENT AMBER AND RED. WENT IDLE, TEMP WENT BACK AMBER, THEN WENT 147-149 AFTER 10 MIN TEMP STAYED 135 TO 137. TAXI, TAFF, CLIMB NORMAL OPS. CHECKED IAW FIM 79-30-00-810-810 RAR #1 ENGINE OIL LEVEL/OIL TEMPERATURE SENSOR IAW AMM 79-31-01; PERFORMED HIGH/CLIMB POWER OPS CHECK LEAK CHECK GOOD. ALL INDICATIONS NORMAL.