Backdrilled the original rear spar attach brackets to the new .125" blanks. Installed the rear spar attach brackets to the fuse. Added a .040" angle underneath the top edge of 6B5-2 rear frame channel with A5 rivets at pitch 50 staggered.
new rear spar attach brackets inserted
You can just see the .040" angle. It really stiffens the channel up heaps
