We had a squeak in the floor of our 197 when we sold it. It's not a huge issue. It may even go away after some time. Remember, your towing a trailer that flexes. I would see how it is after a year of use then go from there.
2015 Jayco 24FBS Elite Jay Flight
2013 Chevrolet Silverado 2500HD 4X4 6.0L 3.73 Axle
HD Trailering Package with Integrated Brake Controller
Equal-i-zer Hitch 10k/1000