What was found
DURING CRUISE FL 340 ADV MSG APPEARED- INVESTIGATED TO FIND ENG OIL QTY TO BE 5 QTYS OIL CONTINUE TO DECREASE IN QUANTITY DIVERTED TO STL PER COM ADV COND OIL PRESSURE AND TEMP REMAINED IN LIMITS ENGINE NOT SHUTDOWN UNTIL AFTER LANDING-ACCOMPLISHED INSPECTION OF #1 ENG IAW TSM 79-00-00-810-838-A. FOUND LEAK COMING FROM STARTER DRAIN MAST PORT. REMOVED STARTER IAW AMM 80-13-41 INSTALLED NEW O RING. RE INSTALLED STARTER IAW AMM 80-13-41. IDLE LEAK CHECK GOOD. NO DEFECTS NOTED AT THIS TIME