I took a quick look at mine
I did a quick review of my build photos and my aircraft last eve. All my photos from above have the control tube blocking the view of the splice, but I'm quite sure the splices stop at the frames/flanges. The initiation of the "V" cut starts dead center of the spar carry through area. I put all mine together with Proseal to prevent any moisture or exhaust intrusion .
8A7 / Advance NC