Deburred Flap Braces. Prepped and primed. Dimpled the two holes on inboard end that need the countersunk cherry rivets. Countersunk same two holes in flap brace doubler that need the CR3212 pull rivets. Going to use a solid rivet on the most outboard since I can squeeze it. Countersunk flap brace holes that go up against skin which is dimpled. Dimpled aft skin holes that mate up with flap brace.