11/08/18: 2.83Hrs: 2. The little tabs at the sides of HS-1221 L&R were removed. 3. The ribs and HS-1219 were clecoed to th einside of HS-1221, two holes were match-drilled #30 on rib HS-1230. 4. The four ribs were final-drilled #30 using HS-1221, the holes were deburred. For left side.
11/09/18 3.18Hrs 5. The top flange of the four ribs was riveted. Steps 1 through 4 were repeated for the right side.
