I am understanding this is a warranty repair on a brand-new Scamp
If it were something major or fiberglass related, I would certainly take it back to Scamp.
But this seems pretty minor to me, and a perfect opportunity to build a relationship with a local RV repair shop. Unless you're planning to do all your own maintenance and repairs, that could be useful. If you get a referral from someone in the Twin Cities area, great. But if not, I would just look for one close to you: not a big chain like Camping World, but a well-run independent shop. Talk with folks, observe the condition of the shop and yard, compare their labor rates to a few others in the area, and check with Scamp and make sure they have the a-okay so Scamp will reimburse the cost of the repair.
See how they do with a little repair. If they do correct, neat, timely, and fairly-priced work, bingo! You'll know where to go next time. And if not, they really can't do too much harm on this one, and you'll know where not
to go next time.
I have heard a couple of reports of leakage into the rear bench area from the taillight holes, so making sure it is sealed well is important. I'd probably give it a good spray with a garden hose or pressure washer afterward to make sure.