Rivet two E-910 plates and two K1000-6 nutplates to the aft side of E-902. Rivet the E-903 and E-904 rib webs together. Rivet the E-913 counterbalance skin Rivet the spar assembly, E-906 rib and Wd-605 together. Back-rivet the skin stiffeners to the upper E-901-R skin. Rivet the E-902 spar to the top of the skin, but do not rivet the E-906 rib yet. Rivet the stiffeners to the bottom of the E-901 skin. Rivet the E-903/904/913 assembly to the E-902 spar. Cut a piece of AEX wedge Drill #40 through the pre-punched holes in the elevator upper surface Rivet Trailing edge
