You might look under and behind the fridge. We came home once and found a dead rodent in there. Not sure if the smell got inside or not because everything smelled bad. While you're looking you can see if there are any signs of refrigerant leakage or any other peculiar signs.
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
2017 3500 Dodge Maxi DRW 4X4, Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, etc.