Brief Description: Drilled new rivet holes in 6ZU1
1. Removed 6ZU1-6s, 6ZU1-7 and 6ZU1-8. 2. Added new rivet line on vertical part of 6ZU1-6s, in line with and using existing rear wing rib holes as basis. 3. Punched added rivet locations with pitch ~=40mm. 4. Drilled with #40 bit. 5. Added aileron push rod hole in 6ZU1-8, same diameter, and approaximately in line with hole in rear wing spar. 6. Cleoced 6ZU1-7,6ZU1-8 and 6ZU1-6s back in place. 7. Back drilled new rivet holes with #20 bit, and clecoed alternate holes. 8. Removed 6ZU1-7,6ZU1-8, and 6ZU1-6s. 9. Deburred removed parts, and primed with zinc chromate primer.
