Priming and test fitting the several brackets and part to the main spar.
Like the main wing spars I primed the anodized structure for extra corrosion protection:
Test fit the parts that go on the front side:
Part that go on the back side:
Note: the incorrect drawing of the right and left angles!
The holes of the flap bracket need enlargement from 4.7 mm to 4.9 mm to accept the 4.8 mm rivets:
Just to be sure that the wings will fit, I made a template of the main spar AN6 and AN5 holes:
Test fit the template on the left and right wings: