What was found
ON FLIGHT 3139, CREW REPORTED THE LT OIL TEMP (ENGINE) IS HIGH. A/C RETURNED TO MSP. MAINTENANCE REPLACED LT OIL TEMP BULB P/N 4053T73P01, S/N ON EGNAD727, S/N OFF GEN30288 IAW 79-00-00 P437, OPS AND LEAK CHECK GOOD. REPLACED LT ENGINE OIL. LEAK CHECK GOOD.