[Drain Valve leaking]

Here is a photo of the drain. You can hook up a garden hose to it also. I don't think it is leaking from the sealing cap.

[Drain Valve leaking]

Hello I have 2004 Hot Springs sovereign ii. The right drain plug is leaking, under the filter department. I just need to know how I can replace it? I can't seem to get access to it thru the service panel. Is there another way to access it if I remove another panel? There are two drain plugs on the bottom of the spa, the one that is right under the filter area. I will try to post pictures up soon. Any hep would be great.