Riveted inboard end of flaperon hinge assembly to left rear spar doubler. Riveted left rear spar doubler to inboard end of left rear spar. Riveted tip attach angle to outboard end of left rear spar. Since I screwed up on the other flaperon hinge assembly (see entry on 3-2-11), was only able to rivet tip attach angle to right rear spar assembly. Have to wait for new parts from Van's to build flaperon hinge assembly so right rear spar assembly can be completed.