Layed out the rivet lines and pilot drilled the LE Skin. Lined up Landing Light Channel and got it all clecoed in place so the bend lined for the filler riblet could be marked.
Image 2) Here is the LL Riblet, with the bend and holes in it. Going to mark and back drill from the inside.
Image 3) Ready to square up and back drill.
Did that, opened to #30 all rivet holes and primed the mating surfaces after deburring.