Layed out the aft spar and marked the leading edge of the stabilizer. Mounted the hinges on the aft spar. Formed the leading edge to conforme to the curve required by the plans. Trimed the leading edge to the aft spar and installed gussess at each end. Mounted the elevator to the stabilizer, alined the hinges and riveted each set per the plans. Cut and alined the bracing and cut and installed gussess per the plans.