corrosion protection for the ribs.  Riveted 1/2 of the ribs to the forward spar of the HS

riveted stringers to inboard ribs

cleco’d together and final drilled skins to spars and ribs.  Final drilled ribs to spars.  dimpled ribs and countersunk stringers

fabricated stringers and began pre-assembly of horizontal stabilizers.  cut holes in nose ribs for trim cables.

Finish drilled, corrosion protected and riveted together the front spar for the horizontal stabilizer.  attached spar caps, doubler, and bolt down brackets.