What was found
AT 2130Z, NR 2 OIL QUANTITY RAPIDLY DROPPED TO 1 GALLON, SUBSEQUENTLY OIL PRESSURE DROPPED TO 5 PSI AND OIL PRESSURE LOW LIGHT ILLUMINATED. PERFORMED IN FLIGHT ENGINE SHUTDOWN PROCEDURE IAW ABNORMAL CHECKLIST, WINDMILLING OIL PRESSURE. REMAINED AT 5 PSI. INSPECTED NR 2 ENGINE, FOUND EXCESSIVE AMOUNTS OF OIL INSIDE THRUST REVERSER AND EXHAUST DUCT AREA. PERFORMED MAINTENANCE PROCEDURES FOR ONE ENGINE INOPERATIVE FERRY FLIGHT IAW MM. FERRY FLIGHT ACCOMPLISHED WITHOUT INCIDENT. REMOVED AND REPLACED NR2 ENGINE IAW MM MASTER TALLY SHEET ON WORK ORDER # 0016160. PERFORMED RUN UP, CHECKED OK.