1. F-1206D were countersunk #30 in 3 places each. 2. F-1206A was riveteed to F-01222 and F-01223 L&R. 3. The F-1206G-L & -R was riveted to the F-01221-L-1 & R-1 4. F-01206H L&R were dimpled #30 and #40 on their top flange. 5. F-01206H&L were rriveted to F-01206A. 6. F-01224 L&R were riveted to F-01206A and F-0120-H L&R. 7. Nutplates were riveted to F-01206A, f-01206H L&R and F-01224 L&R 8. The angle F-1206J was trimmed and cut.