Verifed that the Vertical Stabilizer (VS) was squared to fuselage and that the rudder hinges brackets were in line with straight edge and then final drilled #30 the eleven holes in the F884, F885 spacer and the VS front spar, clecoed each hole Final drilled #12 the four attach holes for the F884 Attach plate and temporaily installed AN3 bolts Disassembled and deburred attach plate, spacer and fron spar of VS. Clecoed and riveted the Attach plate and spacer to the front spar of VS Temorarily bolted VS Attach plate to the HS front spar Fitted left and right elevators to the HS, set elevators in nuetral position and drilled pushrod attachment holes in elevator horns Had already separated and deburred edges on bellcrank assembly and had already assembled pushrods in an earlier session so I riveted the F635 bellcrank andVA-146 bearing together