What was found
LOST OIL IN BOTH ENGINES. AN EMERGENCY WAS DECLARED AND AIRCRAFT LANDED WITHOUT INCIDENT. ON LIFT OFF LEFT ENGINE OIL WENT TO REVERSE AND SHOWED 3 QUANTITYS, LEVELED AT 10,000 FT. QRH HAS US REMAIN LEVEL IN HOPES QUANTITY WOULD INCREASE. QUANTITIES NEVER GOT ABOVE 7 ON LEFT OR 8 ON RIGHT, OPTED TO RETURN TO SEA SINCE OIL PRESSURE AND TEMPERATURES WERE NORMAL. HAD AN OVERWEIGHT LANDING AT 164,000. PERFORMED OIL SERVICE ON #1 AND #2 ENGINES, OPENED COWLS AND PERFORMED RUN ON BOTH ENGINES, NO LEAKS NOTED. (PER OPERATIONS MANUAL LOSS OF INDICATION IS A PHENOMENOM CALLED GULPING OIL, OIL CAN DECREASE AS MUCH AS 11 QUARTS OIL. INDICATION WAS 9 AND 10 ON GUAGE AT SEA. AIRCRAFT IS OK FOR SERVICE.