01/16/19: 7.68Hrs 1,2 . The screw holes on F-12106 were final-drilled #19, then dimpled #8. 3,4 . The nutplate attach holes both on F-12106 and on the nutplates were dimpled #40. 5. Eight nutplates were riveted to F-12106. 6-8 . F-1210B was inserted through the hole that's on F-1278, then the top skin was clecoed to the frames. Two holes were match-drilled into F-1210C using the top skin, the skin was removed, F-1210C was deburred and filed at the corners as instructed. The top skin was then re-clecoed to the frames and other skins. 9. .F-12106, F-1283C and F-00009 L&R were riveted to F-1278. 10. Masking tape was used to cover the holes that were within seven inches of the forward edge of the tailcone Worked on step 11.
01/17/19: 2Hrs 11. All of the uncovered holes were riveted.
