For those of you who ordered the fuselage kit and included the optional flap positioning system, if your fuselage was shipped after Jan 2022 you might have the new flap motor and the old flap positioning system, which are incompatible.
https://store.vansaircraft.com/rv-10-flap-positioning-system-es-flap-pos-swv-10.html
https://store.vansaircraft.com/rv-10-flap-positioning-system-es-flap-pos-swv-10.html