Check under the slides for wear on the material that covers the bottom of the slides. Some PT units have a soft woven material that is prone to wear and tear. There is a discussion thread on this forum concerning this problem. My 295 is currently in for warranty repairs for this problem. Not all PT products use this material on the slides.
Saw this exact same unit at Camping World/Dixie RV in Hammond. La. a week ago. The bottom is a harder material but the edges has the woven tape on ends and up the sides. Tape was torn on all the slides. This unit was in the showroom.
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2013 Crusader 330 MKS
2013 Chevrolet Silverado LT 2500 D/A
Well she is now home and can't wait to take her out for the first trip. Of course we found issues during the PDI... Dicor issues, fit an finish items, damaged decal and a few others... dealer says they will take care of all of the items and I trust they will so only time will tell.