Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
KSB-220630
Service Bulletin/Repair Instructions
This process describes the repair of In-Wall slide systems that have become inoperable on one or both sides. It has been determined the vehicles in this KSB population may have been manufactured with an In-Wall Slide-Out System that may have a damaged guide shoe in the slide mechanism.
23-445
Service Bulletin/Repair Instructions
It has been determined that on certain rear living room models the rear wall is attached at the roof, and sidewalls, but may not be properly attached to the floor. The remedy is to move the sofa away from the rear wall; add aluminum angle to properly attach the rear wall to the main floor.
21-415
Service Bulletin/Repair Instructions
It has been determined that some Arcadia units have A/C ducts that are improperly installed into the return air portion of the opening for the rear A/C, and the rear A/C thermostats were not wired properly.