Finally after all the small fixes it was time to rivet the bottom skins of the left wing.
My daughter Eline helped me with replacing the cleco’s by rivets:
All rivets are in. The holes of the bottom skins with the main spar cannot be riveted now because these are used for the leading edge skin and fuel tank as well.
Because some holes of the flap and aileron brackets where elongated I used aluminium washers for extra strength:
I filled the misaligned hole in skin 1 with JB Weld:
After a couple of hours the JB Weld could be sanded and the last hole got riveted.
The result of today, the the left wing rotated with the 2 stringers in: