Brief Description: Match drilled tank and back drilled 2 Z-Brackets.
I put a cleco in every hole in the left hand fuel tank then match drilled every one of them. Then I put the tank back on the wing and back drilled the inboard Z-Bracket using a 12" #30 bit. I then removed the leading edge assembly so I had access to the outboard Z-Bracket and back drilled that one. I still have a slight gap at the lower front of where the tank joins the leading edge. Still not sure what I will do to rectify it.