Rib 5 progress
Rib 5 is the first rib we assemble that requires alignment using a provided jig.
As I put that together, I notice that the two side parts did not fit well into the top part on account of the inside flange of the top part getting in the way (Note near the clecos):
You can see it better here:
I just used a seamer to bend the flange out of the way. Easy. Got the factory to look at it, and got the OK, so I can move on!