Screwed F758/F766 assembly to floor and clamped F767 to top of channel and to F705 bulkhead. Drilled all holes. Removed pieces and deburred, dimpled F776, and countersunk F767. Riveted F767 to F766. Re-installed assembly. Used car battery to run flap motor halfway between limits and installed onto Wd-613-EF. Bolted in and safety wired. Bolted in top of flap motor assembly to channel and F766B bracket and drilled holes in bracket. Removed bolt and top of flap motor assembly and removed F766A. Deburred and dimpled holes in F766A. Countersunk holes in F766B. Riveted together. Used flush rivets to make a nicer looking job instead of 470 rivets. Reinstalled F766A and bolted flap motor onto the assembly and installed cotter pin.
