Dimple countersunk #40 holes and #30 holes that required dimples Dimple countersunk #8 screw holes Rolled aft edge of F850 Unclecoed forward cross member from bottom of fuselage Cleaned parts with Patheon Enterprise Pre-Kote surface cleaner Mixed up epoxy primer and primed parts. Touched up some places on the bottom of F822 forward floor and crossmembers that required countersinking