What was found
DURING PREFLIGHT, OIL QUANTITY 18 QUARTS. AT LEVEL FLIGHT OIL QUANTITY NR 2 WAS 13 QUARTS. OIL QUANTITY DECREASED TO 7 QUARTS IN CRUISE. AT BLOCK-IN OIL QUANTITY INDICATED 13 QUARTS. FOUND OIL PUDDLING UNDER NR 2 ENGINE FAN BLADES AT BOTTOM OF FAN COWL. OIL WAS DRIPPING FROM AFT PART OF BLADE BASES. REMOVED ENGINE FAN SPINNER AMM 72-21-00-08. R & R NR 2 ENGINE NR 1 BEARING MANIFOLD MM 72-21-01-04. REINSTALLED SPINNER. RAN NR 2 ENGINE IAW JRH. NO LEAKS NOTED. OIL QTY INDICATIONS WERE UP TO 14 QTS, 15 QTS WARM AND BACK TO 18 QTS AT SHUTDOWN. POWER ASSURANCE RUN PERFORMED IAW JRH 7-9 ALL PARAMETERS NORMAL. OK FOR SERVICE.