Drilled gear box for flap actuator bellcrank bracket. Assembled bellcrank to bracket and mounted bracket. Ground out bulkheads above main spar for aileron torque tube. Added 2 bid carbon to fwd aileron bellcrank support bracket, both sides, overlapping 1"minimum onto fuselage sides. Floxed in phenolic support for fwd end of aileron torque tube. Drilled elevator idler arms for bearings. Rivited both idler arms together with bearings inbetween.