Rechecked tailcone fit and parts for proper overlap. Match drilled #30 then #12 the F-1046 longeron holes into the tailcone longeron. Bolted aft two holes then drilled forward two holes.
Fabricated two spacers out of .032 AS per plans. Clecoed F-1074 top skin in place and started match drilling holes through skin/spacers/ and F-1046-L longeron.