Grand Design Solitude 2013–2022 — technical service bulletin
Bulletin TSB 22-003 · NHTSA communication 10219688 · issued Sep 14, 2022
Technical service bulletin
communication type
Structure
component
2013–2022
model years
10
vehicle entries
Official summary
The rear upper deck on Solitude ST390RK models produced prior to June 6, 2022 may not be properly supported. As a result, the rear upper deck floor may sag slightly at the sidewalls. Remedy: The remedy includes the use of additional fasteners (961113 - Screw 14x1 Hex Waster Type a Zinc, 960736- #625 Tri-fold LG FLG Alum .39-.354 Grip Rivet) and support bracing. (512064 - 1x2 Stuffed AL Tube, 512065 - 2x3 Stuffed AL Tube)
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.