I recommend you call Winnebago directly
P.O. Box 152
Forest City, IA, US, 50436
Phone #: 1-800-537-1885
Alternate phone #: 641 585-3535
Fax #: 641 585-6981
Web site address:
www.winnebagoind.com
I have called other manufacturers in the past for a "Recall Clearance Letter" when I have imported into Canada. If you ask for one, it will tell you specifics about your unit, which recalls and if they have been done, or not.
Hope this helps,
Brian