Or were you referring to outside (rain) water leakage?
A few people have reported minor leaks, almost always at a seam, and the application of caulk has always cured it. You can search on "LEAK" and you'll find the posts - most of them will be in the EXTERIOR forum.
Movement of the walls will not (and I think cannot) result in leaks. This is because the upper shells overlap the lower box, ensuring that water is shed outside. There is also a good seal between the shells and the box, so there is no wind-driven water penetration.
You'll see all this when you go to your dealer and look at that 3023.
Bill
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