Brief Description: Control horn, stiffeners and shear clip match dril
Match drilled lower rib to spar and rudder stop striker plates. Countersunk striker plates. Assembled and match drilled stiffeners and shear clips. Match drilled shear clips to spar. Match drilled counterbalance rib and top rib to spar. Match drilled R 607 and 608PP spar doublers to spar.