What was found
ENG 1 OIL LO PRESS. PRESSURE INDICATED NORMAL ON ENG PAGE AND GAUGE. HOWEVER, WE NOTICED OIL QUANTITY DECREASING. DECREASING APPROX 2 QUARTS PER 10 MINUTES. AFTER LANDING BACK AT KMEM WE HAD 5 QUARTS REMAINING. 8 QUARTS AFTER ENG SHUTDOWN. ADDED 12 QTS OIL. RAN ENG 1 FOR 10 MIN 2 40% N1. LOST 1 QT OIL DURING RUN. FOUND LUBE/SCAVENGE PUMP LEAKING. UNABLE TO DETERMINE IF PUMP HOUSING OR TUBING SEAL CAUSING LEAK. AS A PRECAUTION R & R ENG 1 LUBE/SCAVENGE PUMP & SEALS. RESERVICED ENG OIL TK TO FULL RAN ENG @ 40% N1 FOR 10 MIN. NO OIL LOSS. NO LEAKS.