Certainly it's covered by the two year warranty.
Incidentally, broken doors on Norcold refrigerators are fairly common, especially on the larger sized refrigerators.
There's lots of advice and information in forums... sometimes it is correct. For example, all of my posts are made by a political appointee who got the job as a reward for contributions to my diesel bill.
2011 Jayco 28.5RLS; 2008 Chevy Duramax; Pullrite Superglide Hitch