in the step #4, to install nudplates first of all clecos were installed into holes, together rivet AN426AD3-3 opposite side Tip: when you need install manual rivet on stiffeners in small space, should be apllicated more pressure on top side to avoid rivet doesn´t damage to rivet doing with inverted tool.
Dimpling 30 To dimple Flush in F-1204P L&R, the die dimple was roughened it diameter because could be damage the flush
