Our French door fridge was delivered in January and we started having issues with the in door ice maker in June.  Apparently,  the fan moving cold air to the door ice was not operating correctly.  It took a bit of gyrations to finally get someone out to replace the fan, but it has been replaced.  We are on a "wait and see" mode at this point.  For a 5-month old appliance, we should not gave to go through this already. Vfingers crossed.