What was found
AFTER ENGINE START & TAXI OUT, ENG NR 3 OIL QUANTITY REMAINED AT 11. IMMEDIATELY AFTER TAKEOFF AT 800 FT OIL QTY DROPPED TO 4, THEN BOXED AMBER AT 3. OIL TEMP WAS HIGHER (127 DEG) THAN THE OTHER ENGINES. OIL PRESS APPEARED NORMAL. PULLED THE ENGINE BACK AND OIL QTY NEVER GOT ABOVE 9 WITH OIL TEMPERATURE STAYING 15-20 DEG HIGHER THAN OTHER ENGINES. NEVER SHUT ENGINE DOWN IN FLIGHT. CHECKED MASTER CHIP DETECTOR, LUBE AND SCAVENGE INLET STRAINER, AND SUPPLY FILTER ELEMENT, NO METALLIC PARTICLES OR EXCESSSIVE CONTAMINATION NOTED, R & R NR 3 LUBE AND SCAVENGE PUMP IAW AMM 79-20-04-2, LEAK & OPS CHECKED GOOD. RAN ENG AT HIGH POWER FOR 30 MINS, NO DEFECTS NOTED. SYSTEM OK FOR SERVICE.