Brief Description: Attached the Bottom Skin Assembly to the Spar and
4/28/2009 , Section 21-4 Steps 1 to 3. Attached the Bottom Skin Assembly to the Spar and the Main Ribs A-1005-L/R Assembly as described in Figure 1, page 21-4. Then final drilled #40 the common holes of the Spar Ribs to the Bottom Skin and then after disassembly dimpled both of the same. Reconnected the Spar Ribs to the Bottom Skin and the Main Spar with cleoes and then temporally removed the clecos after riveting the number 2 and 5 holes with AN426D3-3.5 rivets that will be removed later. (see Figure 1 for details). Then I buffed or ground down the edges of the 4 A-1015 R/R nose ribs as described in Figure 2 for a greater curved appearance . Time about 2 hours for both ailerons
