Light and Motion D200 focus mode lever fix?

I finally got around to replacing my Light and Motion D100 housing with a used D200 Light and Motion housing. It seems to be almost brand new but I’ve noticed that the lever that adjusts focus mode(C,S,M) doesn’t really work. This is frustrating because the D100 housing had the very same problem. I don’t think it’s a case of anything being broken. It seems like a design flaw. Does anyone who owns this housing have a good do it yourself solution that you’d be willing to share?

Fals alarm. How do I delete a thread?

It looks like it wasn't a question of bad design but poor inspection on my part. After taking a closer look it became clear there was a loose screw on the paddle/arm. It simply needed tightening and it works perfectly now.