I think my posts are going to get a little boring for the next few months since I'm repeating the exact same build steps as on the last wing. I definitely wish I could have built both wings at the same time. While the actual build steps are slightly faster the second time around, it's been long enough since I did the work on the left wing that I have to revisit all of the head scratching areas to ensure I understand things like which rivets to leave out until later on in the assembly. It would have been faster had I been able to do both left and right assemblies each time I spent the 15 minutes figuring something out. That being said, even a few days is enough time to not remember details like that, so it may not have mattered in the end.
Tonight I finished assembly of the rear spar (after I read and re-read the plans to remember which rivets to leave out - at least I did have the other built wing assembly to reference, which did help jog my memory).