Cleco the eight HS-912 Outboard Hinge Brackets to the rear spar sub-assembly Prepare the HS-904 Main Ribs and HS-905 Nose Ribs Fabricate two HS-909 shims Cleco all the HS-904 and HS-905 ribs to the front and rear spars Set-up the jig cradle blocks Insert one of the HS-901 skins into the jig cradle Cleco the HS-905 nose ribs into the HS-901 skin