evaporator fan

have no air flow between freezer and refridge side. took inside cover off and found evap motor not running. is this a part that will normally fail.should i replace motor or is this possibly another problem causing fan not to run.

Replacement parts for WHIRLPOOL GD5PHAXMS10 REFRIGERATOR | AppliancePartsPros.com

Yes fans do go bad.

If you have a meter check for 120 volts going to the fan.
If you have 120 volts and the fan does not turn it is toast.