What was found
NR 4 ENGINE SHUTDOWN IN FLIGHT DUE TO LOW OIL QUANTITY AND PRESSURE. AT FL 2900 NR 4 OIL LOW PRESS LIGHT ILLUMINATED. INSPECTED NR 4 ENG FOR OIL LOSS, FOUND 12 QTS LOST. CHIP DETECTORS WERE NOT CONTAMINATED. INSTALLED 3 ENG FERRY KIT AS PER TASK CARD THREE ENGINE FERRY ON NR 4 ENG. A/C INSPECTED AND FOUND SAFE FOR 3 ENG FERRY IN METEROLOGICAL CONDITIONS ACCEPTABLE TO CREW FROM EWR TO MSP. REMOVED AND REPLACED NR 4 ENG. P/N 2-003-040-15, S/N OFF P07868, S/N ON LF07629. OPS AND LEAK GOOD.