1. Located access hole for blanace arm in aileron. 2. Marked location with sharpie. 3. Punched corners of hole. 4. Drilled corners with #20 bit. 5. Cut along shapie line between holes with Dremel. 6. Removed metal. 7. Files edges smooth, and cleaned corners wtih round file. 8. Mounted aileron to wing with clecoes. 9. Marked horizontal alignment for balance access hole on rear spar of wing. 10. Marked vertical alignment per LAA Fig 4. 11. Removed aileron 12. Repeated steps 3-7 for rear spar of wing.
