Assembled and installed the cover panels for the aileron bellcrank and the fuel fitting end of the fuel tank. this involved the followig for both of them.
1. Line up the cover with the opening using the pre-drilled holes in the skin and cover. 2. Updrill the pilot holes to 7/32" (size of the bolts used to attach the cover). 3. Rivet 8 nut plates to each cover by drilling out 2 holes per nut plate and dimpling the holes. 3. Flush rivet the nut plates to the covers. 4. Attach the covers to their respective openings.