Clamped the lower longerons in place and match drilled them to the holes in the lower skin. Opened up the four forward holes and installed AN5 bolts. Disassembled, deburred and reinstalled.
Deburred reinforcement plates. Clecoed them in place with the auxiliary angles in place.
LH lower longeron drilled and clecoed in place
Bolts through LH lower firewall fitting and longeron