Michael S Naples , FL May 09, 2016 Appliance: Model 363.9741713 Not defrosting Replaced the Defrost Thermostat. the part came in a day. Watched the video which helped a lot it took 15 minutes to swap out the part. Fridge is back up to temp and will keep watching to see if it freezes up again. Read More... Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes Tools: Screwdrivers