- Pop riveted the aft seat floors into place. - Fabricated the F741A-L&R and F741B control rod tunnel pieces. Match-drilled and riveted together. - Countersunk and riveted the nutplates on the control rod tunnel. - Removed the forward skins & drilled the screw holes to 5/32". Attached the nutplates for the control stick covers. -Reinstalled the forward seat skins.