Took skin off fuselage. Bent up a few flanges on the F-611 bulkhead to close up gaps. Placed tape on both sides of the fuselage along the top skin line. I rubbed up the fuselage skin with a Scotchbite pad for priming. Started to file the side edges of the top skin to take off the sharper edge.
Left side skin
Taped side skin prior to priming
Top skin with the bottom edges beveled for the overlay of the lower skins