Work continued with the RF ribs.
Rib 4 in the jig, ready to rivet:
The bushing and the 2 brackets didn’t fit, after removing a bit material from the bushing and the 2 brackets (and applied new epoxy primer) all was fine:
The Sling 2 manual shows another bracket then what I received, but the TSI manual explained the orientation:
Rib 4 done:
Next I test-fitted rib 2, looking good:
Finally I primed the parts of rib 3 so they can cure overnight, but I won’t be able to finish the rib 3 assembly due to the missing bracket.