Marked the location of the two bolt holes in the F-445 flap bearing block and final drilled the two bolt holes #10 Trimmed the F-445 flap bearing blocks Fitted the F-445 flap bearing blocks to each end of the WD-806 flap actuator weldment and positioned it in the fuselage per detail D, drawing 77 Match drilled #12 the F-830-1 left seat floor, F-831-1 right seat floor and F-815C-L-1 and R-1 outboard seat rib angles using the fwd bolt holes in the F-445 flap bearing blocks separated the five F-830B-1 floor stiffeners, smoothed and de-burred them Clecoed the F-830B-1 floor stiffeners and F-80-5C-1 floor support angle to the F-829A-1 front seat floor Installed the F-829A-1 front seat floor Match drilled #19 the two screw holes common between the F-829A-1 front seat floor and the F-805C floor support angle and into the F-805D brackets Unscrewed and removed the F-829A-1 front seat floor , de-burred the #19 holes Drilled #40 the holes for mounting the nut plates to the F-805D brackets. De-burred the #40 holes and machine countersunk them for flush rivets Riveted the nut plates to the F-805D brackets Clecoed the bottom half of the F-832E-1 front seatback hinge to the F-829A-1 front seatback. Match drilled #30 the front seatback hinge. Clecoed the F829B-R-1 right foot well inboard web and F-829D-R-1 right outboard web to the F-829C-R-1 right foot well recess. Repeated for the left side. Final drill #40 the 3/32 holes common between the foot wells inboard , outboard webs and foot well recesses. Clecoed the left and right foor well assemblies to the sides of the F-829A-1 front seat floor Final drill #40 all 3/32 holes in the F-829A-1 front seat floor disassembled all parts attached to the F-829A-1 front seat floor and de-burred all holes. De-burred the F-837-1 aft control mount Removed the WD-806 flap motor actuator weldment and the F-445 flap bearing blocks. Unclecoed and removed the F-830-1 left seat floor, the F831-1 right seat floor the F-805F-1 spacers and the F-834-1 aft baggage floor
