What was found
DURING EVALUATION FLIGHT AFTER Q1 AND Q2 INSPECTION, NR 1 ENGINE OIL QUANTITY STARTED DECREASING AFTER TAKEOFF, ENGINE NR 1 SHUTDOWN UPON TOUCHDOWN WITH 0.750 GALS. PRESSURE LINK TIGHTENED AT OIL FILTER BYPASS SW IAW MM 20-50-11 PAGE 211, ENGINE OIL SERVICED IAW MM 12-13-11, LEAK CHECK IAW 71-09-11.