I had to order another 6' section of 3/4 x 3/4 angle from Van's in order to make the F728B support angle. I finally received this today so I was able to make this part and match drill it to the vertical channel that supports the elevator bellcrank and the F706 bulkhead. After this was drilled, I deburred the holes and polished the edges on the scotchbrite wheel. These two parts are ready to be primed.