We did it!!!
Took delivery of our 2015 FC 23FB on 06 June from Colonial Airstream. Spent two nights at Jersey Shore Haven for a shakedown. Had a few glitches, trim on overhead cabinet above the dinette came unglued and the shower leaked. All other systems passed inspection. Took her back to Colonial on Monday and they fixed the cabinet by replacing the board with one from an other unit. The found that some of the seam around the shower base was not properly caulked and redid the caulking. The also made some adjustments on the new Equal-i-zer hitch. Not having a point of reference I thought the hitch was good but after they adjusted it my TV handled much better. Hauled her back to Virginia through major storms with not problems.
When we got home we found that the caulking at shower enclosure seam in the middle was not adhering. Soooo, I had to do some repairs, not going all the way back to Jersey and the next closest AS dealer is still 2 hours away. Hope this will be the end of poor QC from AIrstream.
Will be taking a second shakedown next month to the Virginia Highlands Haven. We'll keep our fingers crossed that the shower is fixed.