Non return v/v of m.s.w p/p is leaking on closed position, You hav a retutn type of v/v onboard of same dimension what will you do.

A. Do northing and run the same p/p order for new one
B. Replace and run the same p/p keeping the other standby until new v/v receives
C. Put blank on v/v and run the other p/p
D. none of these