What was found
ON A REPOSITIONING FLIGHT FROM MCI TO AVW, THE LEFT ENGINE REDUCTION GEAR BOX OIL PRESSURE BEGAN TO FLUCTUATE FOLLOWED BY A LOW OIL PRESSURE WARNING LIGHT. THE LEFT OIL QUANTITY INDICATION DROPPED TO ZERO. THE ENGINE WAS SHUTDOWN AND THE AIRCRAFT DIVERTED TO DDC. RUN UP CHECK REVEALED OIL LEAKING FROM THE LEFT ENGINE STARTER CASE DRAIN. THE REDUCTION GEARBOX STARTER DRIVE GARLOCK SEAL WAS REPLACED. SUBSEQUENT LEAK CHECK WS SATISFACTORY. (W)