Today the steps 6 and 7 22is/U-06 were carried out, in the step 6 the piece F-12130A-L and F-12130B-L were riveted to F-01201C-1 and F-127L-1 using rivets LP4-3 and AN470AD4-5.par we also started with the step 1 22is/U-07, in which we fastened with clecos the fwd lower fuse Assembly to the fuselage, but we did not finish it because 4 rivets were damaged when we installed other rivets, this happened because the shop head rivet was very close to the other rivet and with the riveter hit this head. par