WAS TESTING THE CAMPER FOR SPRING IN MY BACKYARD, FLIPPED THE REFRIGERATOR OVER TO PROPANE, SMELLED SMOKE A COUPLE MINUTES LATER, LOOK OUTSIDE AND SEE FLAMES COMING OUT OF THE VENT ON THE OUTSIDE OF THE TRAILER. VERY EASILY COULD HAVE HAPPENED WHEN WE WERE INSIDE THE CAMPER AND/OR ASLEEP. I WAS ABLE TO PUT THE FIRE IN THE CAMPER WITH A GARDEN HOSE THAT WAS LUCKILY RIGHT BY. *TR