Make two F-705L shims, deburr edges. Make two F-705K plates and deburr edges. Make two F-705J angles, mark and drill rivet holes as per DWG 20 and deburr. Match drill two F-705L and F-705K to F-705F channel in fuselage. Make the 4 degree bend on both F-705K plates as per DWG 20.
