Trimmed Seat belt anchors so the ribs would fit, and re-attached and torqued. Trimmed places for bushings, etc in the baggage ribs and seat rib. Reattached all seat ribs and baggage ribs. Attached Bottom Skin and reamed all holes to final size. Trimmed and clamped on corner ribs and drilled, Mike Schipper's web site has a great picture of this that really helped. Fabricated 623 forward and aft attach strips.
