Section 21 - Flaps (nearly finished right flap); Section 13 - Main Spar (finished right main spar); Section 14 - Wing Ribs (right wing ribs well underway)

Good progress was made this past week, even with taking a few days for a nice vacation and birthday celebration with my in-laws. A few details below (this post is short due to time constraints):

Riveted top skin to spar and ribs (right flap):

Section 14 - Wing Ribs (Left side completed)

Made up some of the "lost" time this week by starting and finishing the Wing Ribs section (left side, only), and then completed about half of the Rear Spar section (next post).  My wife was extra-supportive this week, taking up all the slack around the house.

Bent flanges so they were all 90deg to the web of each of the 14 ribs: