Went riding today, and the most bizarre thing happened. My front brake felt weak, so I stopped to look at it, and saw oil dripping out of the bottom of my fork leg. It is coming from around the big hex insert in the bottom of the leg where the compression adjuster is located. Has anyone ever had this happen? Is there an o-ring under this big bolt that can be replaced? I haven't had a chance yet to pull the fork leg off and look at it.