Wear And Tear

摘要

The right aileron was binding during aerobatic maneuvers. Investigation revealed the clearance between the aileron and the aileron bay rib was approximately 1/16 inch. Per American Champion, it should be 1/4 inch. The inboard aileron bay ribrnappeared to have bowed duernto fabric shrinkage, causing the interference. The aileron rib fabric was opened and the rib wasrnrelocated outboard 3/16 inch. Per the manufacturer,rnaileron balancing was not required.The aileron was reinstalled, with the clearance and operation satisfactory.