What was found
FLIGHT CREW REPORTED NORMAL OPERATION THROUGH FLIGHT LEVEL 240. OIL QUANTITY DECREASING, PRESSURE 46 PSI, QUANTITY DECREASED TO ZERO. OIL PRESSURE STARTED TO DECREASE, AT 37 PSI. RIGHT ENGINE SHUT DOWN, SINGLE ENGINE APPROACH TO NORMAL WEIGHT LANDING. MAINTENANCE PERSONNEL REMOVED AND REPLACED OIL LINE BETWEEN OIL PRESSURE TRANSMITTER AND MAIN OIL FILTER HOUSING, HAD CRACK AT UPPER FLARED END, IAW AMM 79-33-01. AIRCRAFT RETURNED TO SERVICE.