What was found
RIGHT HYD QTY EICAS MESSAGE QTY DROPPED FROM 0.51 TO 0.46. ON ARRIVAL NOTICED HYD LEAK COMING FROM RIGHT OUTBOARD AFT FLAP INBOARD TRACK FAIRING AREA. THE PUMP WAS TURNED OFF IAW DVI. NR 11 SPOILER PCA LEAKING FROM HYD FILTER HOUSING CAP O-RING. REMOVED, INSPECTED & REPLACED THE NR 11 SPOILER PCA FILTER & CAP O-RING ASSY IAW AMM 27-61-02 I 1-9. LEAK & OPS CHECKED GOOD. TOPPED OFF HYD QTY. & CYCLED ALL FLT CONTROLS MULTIPLE TIMES TO BLEED OUT SYSTEM & CONFIRM INTEGRITY.