What was found
INSPECTION TYPE: C1, ENG 1 BEGAN RAPIDLY LOSING OIL QUANITY PASSING FL 250. THE OIL PRES SURE ALSO DROPPED TO 35 PSI. THE CREW COMPLETED THE INFLIGHT ENGINE SHUTDOWN CHECK LIST. DECLARED AN EMERGENCY AND RETURNED TO SAT FOR AN UNEVENTFUL LANDING. FOUND STARTER FILL PLUG LOOSE (DISCONNECTED), SERVICED STARTER AND ENGINE OIL CKD ENG CHIP DETECTORS, NO DEFECTS NOTED. DETECTORS WERE CLEAN RAN ENGINE AT IDLE NO LEAKS NOTED. RAN ENG AT T/O POWER 3 TIMES FOR 2 MINS EACH, OIL QUANTITY REMAINED STABLE & OIL PRESSURE GOOD. REMOVED AND REPLACED ENG STARTER (PRECAUTIONARY).