Finished cutting the support blocks. After some trial fitting and anticipating difficulty getting the support blocks over the torque tube powder coasting, I tried putting the torque tubes in the freezer. Was able to fairly easily get the supports over the frozen tubes. Had my brother in law in town and he helped me get the tubes installed and bolted the blocks in place. Then installed the center flap crank and installed the AN3 bolts. Initially had the clocking of one of the tubes off by 180 degrees and it was enough to make the installation of the bolts very difficult. Thought I could tap it in with a mallet but ended up marring the threads a bit. Will need to order a new one. Installed the AN4s that secure the external flap horn. Those bolts were tough to get to but managed. Used a 9V battery to extend the flap motor. The description of the wires in the manual is a bit confusing but then read online that it is the two larger wires; makes sense. Once extended, measured the length of the rod end bearing per plans and confirmed adequate thread insertion. A little locktite on the jam nut and torque sealed it. Took advantage of the warm weather today and went ahead and primed a batch of miscellaneous parts in the tunnel and rudder pedal supports. Once that was dry, installed the flap motor. Don't believe I had the AN4-12 bolt that connects the flap motor to the crank in the kit so will need to order one. [Update - shouldn't have done all of this yet. It all has to come out to put the rear floor pans in.]