Match-Drill remaining #30 holes to rear spar web into lower spar cap. Match-Drill #30 the VS-1203 Rear spar flange holes into the VS-1212A-R and VS-1212B-R Cleco as I go. Match-Drill #40 nutolate attach rivet holes from the VS-1203 into 1212A-R and 1212B-R. Match-Drill #12 the 3/16 holes of the VS-1203 into VS-1212A-R and 1212B-R. Remove sapr caps, deburr athe holes and clear away any chips.