Hi,

Following steps will help you in finding the reason for having the weird smells:

* The drain pans under the refrigerator need to be removed and checked.
* The fan covers in the freezer section should be removed, check the evaporator coil and defrost drain pan.
* Check where the drain grommet goes into the drain closely, there could be a void in this area.
* There is always the possibility that the odor is from a liquid that has gotten inside the liner of the refrigerator.
* Did you replace any filter recently? If yes the water trapped in the filter head will stale and develop this type of issue. The problem may be resolved by flushing a gallon or two of water per day through the dispenser. If the problem does not go away, the filter head may need to be replaced. This would
require a service technician to install the part.

Hope this helps.

Please feel to ask us if you have any further queries.

Shane