Completed Step 4 at Sect 30-02 adding 22 nutplates to 3 Bulkheads. Installed Bulkheads per Sect 30-04 Steps 1-5. Everything aligned with minimal effort so satisfying to add clecos. Even the radiused lower corners of the Forward Fuse pulled in to align with floor Ribs. I can see many rivets are gonna be challenging to reach and use rivet gun/bucking bar.
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| nutplates added. Had to be creative to access those close to the curved flange, but got 'em done.     |