All seat and baggage ribs are riveted to F705 bulkhead. Overall, it is
good. There are two places that the sheet metal on the shop head side
bent up a little due to the bucking pressure (I may need reduce the
pressure on the rivet gun) The gap at rivet location is small, and
structurally it would be ok, I just leave the way they are. I standed
the whole assembly for riveting, I found it is easier to rive this way
than laying the assembly down on the table. After that, the AN3 bolts
going through the seat ribs and F704 bulkhead are torqued to 25in-lb