What was found
INFLIGHT SHUTDOWN OF NR 2 ENGINE. INITIALLY QUANTITY WENT TO ZERO, PRESSURE INDICATED ERRATICALLY FROM 10 TO 60 PSI, NR 2 OIL PRESSURE LIGHT ILLUMINATED. SHUT ENGINE DOWN IAW QRH INFLIGHT SHUTDOWN CHECKLIST. WINDMILLING OIL PRESSURE AT TIME OF SHUTDOWN 20 PSI. MAINTENANCE REMOVED AND REPLACED GAR LOCK SEAL ON NR 2 ENGINE FUEL PUMP. RAN ENGINE, OPS CHECKED GOOD, NO LEAKS NOTED.