Clecoed the VS-01401 Front Spar Doubler to the VS-702 Front Spar. Used the VS-01401 Front Spar Doubler as a guide to Match-Drill #40 the 3/32 [2.38mm] holes in the VS-702 Front Spar. Match-Drilled 1/4 the 1/8 [3.175mm] hole in the front spar doubler to the front spar as shown in Figure 1. Step 3: Use a marker to trace a line along the bottom edge of the VS-01401 Front Spar Doubler onto the VS-702 Front Spar. Removed the VS-01401 Front Spar Doubler and trimmed the bottom of the VS-702 Front Spar to the line. Radiused the corners of the flanges as shown and removed the hatched area from the VS-01401 Front Spar Doubler.