- Ran a dril through the landing gear weldment rivet holes to remove the powder coating from the inside of them. -Inserted the auxillary longerons and re-clekoed the landing gear box plate over them. The rivet centerline I drew on the longerons align perfectly in the rivet line on the box plate. -Final drilled the nutplate attachment and rivet holes that are common between center section and mid-cabin braces. -Un-clekoed and removed the fwd fuse sub structure from the center section bulkhead assembly -Deburred the holes common to the center section and mid-cabin braces drilled above.