We've published an updated RV-12iS Section 42MiS-U to reflect a change to the snap bushings used in the center section. These bushings are used for a wire pass-through and the new parts are shorter, in order to eliminate interference between the previously specified parts.
https://www.vansaircraft.com/service-information-and-revisions/42m-is-u/
The bushing specified is now "B375-250" - was "SB375-3"
https://www.vansaircraft.com/service-information-and-revisions/42m-is-u/
The bushing specified is now "B375-250" - was "SB375-3"