Okay, friends. We've been building for awhile, and completed the leading edge (outboard) section on the left wing back in November. While out in the garage this week, we noticed what appears to be a crack in the skin, top-side, right along the rivet line where the bracket for the stall warning assembly lies. As you can see, however, the crack does not extend to the rivet hole. Why on earth would this occur, and what can be done about it? (We are sending Van's the same question, but wondering what the collective knowledge of the Van's-verse would say.)