Final drill all common holes in rudder skins and rudder structure.
Per 7-6.6, started in the center of the spar, drilled and clecoed every hole. Next, proceeded to drill and cleco ribs from the spar back, starting in the middle and working to the ends.
Drilled and clecoed every hole in the trailing edge, starting from the middle and alternating drill and cleco from side to side.
Resulting trailing edge was straight when checked with a 6' straight edge (carpenter's level).