Today the steps 1 and 2 23is/u-04 were carried out, in which the part F-01204J-R was made countersink #30 and then was riveted to F-01204F-R-1, f-01204G-R and F-01204K-R, using rivets AN426AD3-3.5 and these were installed with the manual squeeze riveter.
pardsb100sa100 we also began the step 7 23iS/u-07, but we only holded the skins F-01270-R-1 & L-1 to fuselage with clecos and marked with a marker the type of rivets fs24lang1033 and which ones should be riveted.