Machine countersunk for #30 dimples lower longerons common with side skins and bottom skin. After realizing I had countersunk some holes that were to receive AN470 rivets instead of AN426, I started marking by circling the holes to be countersunk. Machine countersunk #30 for dimples on Auxillary lonerons trhat were common with side skins Machine countersunk #30 holes in 802 gear box plates that were common with side skins Machine contersunk #30 holes in F817 Seat back support plates Machine Countersunk #40 holes in auxillary longerons Clecoed the F804 Center section side plate to Center Section Machine COuntersunk #40 holes in Center Section side plate Machine Countersunk #30 the 1/8 inch holes in the 856 spacers Machine Countersunk #19 holes in 856 spacers for #8 screws Machine Countersunk lower longerons for #8 screws on side skins web Machine Countersunk fuel valve bracket for #8 screws Machine Countersunk#19 for 8R8 screws on gear box plates Machine Countersunk #40 holes in F857C angles Machine Countersunk #30 for flush rivet the hole in F814 Inboard rib angle to attaching 805B angle Machine Countersunk #40 the holes in the F888, and F889 aft longerons for dimples. Countersunk #30 the five holes in the forward end of F889 lower longerons
Stripped back down for deburring and countersinking
