Started on HS. Rounded ends of 609 rear spar reinforcement, broke edges with scotchbrite wheel. Clecoed 609’s to rear spar and match drilled 609’s to the 603’s. Clecoed 412 and 413 elevator hinge brackets to spar, match drilled to #30. Drilled holes for rib mounts to #21. Clecoed 411 brackets to spar with bearing clamped in between. Drilled holes thru 411, bearing and other 411 bracket. Deburred 411 brackets and bearing. Ready to prime 411 assembly.