De-burring and drilling

Now that I got my replacement for skin, I was able to finish drilling the floor stiffeners.

These got de-burred and dumped as needed. there were a bunch of spots that don’t get dumped now on the piece.

I also worked through countersinking the grade towers where needed. I decided to not do the header tower mod at this point.

I put them on the floor to temporarily for some of the other parts. Much of the following parts did not get drilled, just de-burred, since they are supposed to be drilled after some of the structure is riveted.