e. Reposition apex/vent lines and sew in place according to original construction, using a medium-
duty zig-zag sewing machine.
3. Damage Extending Into Radial Seam. Repair as follows:
a. Cut stitching of apex/vent line attached to the damaged radial seam and the stitching of the two
apex/vent lines on each side of damaged seam. Move lines to one side.
b. Invert apex and smooth canopy around damaged area.
c. Cut a piece of 1-inch tubular nylon webbing long enough to extend 1-inch beyond outside edge of
second radial seam on each side of damaged area. To sear or dip ends of webbing, refer to WP