Per step 1 page 15-03 fluted the 13-W-1210-R main ribs. Also fluted the 13-W-1210_L main ribs completing step 1. Completed step 4 page 15-03. Clecoed W-1210B-L rib doubler to W-1210-L trimmed main rib and match drilled holes #30. Completed step 5 page 15-03. Clecoed W-1210B-R rib doubler per figure 2 to W-1210-R main rib and match drilled holes #30. Completed step 6 – clecoed W-1216 hinge bracket assembly and W-1216B-R hinge rib to W-1210-R main rib. Match drilled #30 holes per figure and the repeated sequence for second W-1210-R main rib. Completed step 7 – clecoed W-1216 hinge bracket assembly and W-1216B-R hinge rib to trimmed W-1210-L main rib. Match drilled #30 holes per figure. Repeated for unmodified W-1210-L main rib. Primed W-1210-L trimmed rib from step 4 and W-1210-R rib from step 5. Deburred the W-1210-R and W-1210-L main ribs prepared in steps 6 and 7. Completed step 8 – riveted the W-1210B-L doubler to the match drilled W-1210-L main rib per Figure 4. Completed step 9 – riveted W-1210B-R rib doubler to match drilled W-1210-R main rib per Figure 4. Continued deburring of remaining W-1210-R main ribs.
