Clecoed and drilled L&R attach angles to fwd fuse ribs. Deburred and countersunk angles as required. Clecoed and drilled L&R outboard seat rail support assemblies. Deburred and countersunk holes as required. Clecoed and drilled L&R inboard seat rail support assemblies. Deburred and countersunk holes as required. Deburred clips and spacers and clecoed to L&R bulkhead side channels. Drilled and countersunk bulkhead and spacers as required. Prepped and primed all parts.