Lets try this...
I sent them to my dealer. He's been really good with me so far and has a good reputation in this area for after-sales service. He told me that with some models, like mine, this is normal construction - the outside sheet is not affixed to the underling wall. While camping this weekend I noticed some other trailers that seem to have the same look. It still under warranty so want to ensure if it is a fault that it's fixed.
(Seems I found out how to attach the images but not rotate them....