Fabricate air scoop for oil cooler from firberglass scoop and three mounting strips of aluminun flat stock. Drill rivet holes in each to aling for mounting on aft fuselage fabric. Apply epoxy resin to strips, locate assemble of right side of aft fuselage fabric make holes in fabric and rivet into place with wide flange 1/8" rivets (25). Trim fabric from opening with hot knife.