What was found
DURING CRUISE, THE NR 1 ENGINE LOSS OIL QUANTITY FOLLOWED BY LOSS OF OIL PRESSURE. REFERENCE AOM CHECKLIST FOLLOWED BY NR 1 ENGINE IN-FLIGHT SHUTDOWN, ADVISED ATC AND DECLARED AN EMERGENCY AND LANDED AT OUR FINAL DESTINATION IN KTOL WITHOUT INCIDENT. AIRCRAFT WAS INSPECTED AND FOUND OIL LEAKING FROM GEARBOX DRAIN ON STARTER PAD. REPLACED THE NR 1 ENGINE STARTER DRIVE OIL SEAL AND O-RING IAW P&W MM 72-61-00. OPERATIONAL AND LEAK CHECK NORMAL DURING ENGINE RUN AND THE AIRCRAFT RETURNED TO SERVICE.