Frigidaire fffu16f2vv not cooling

Refrigerator & Freezer Repair
1

Brand:Frigidaire
Model Number:fffu16f2vv
Main Symptom:not cooling
What happens & when: evaporator fan is running. Compressor is running. Relay working. No cooling

Error Code (if any): no error code display
Parts or tests already tried: what part should I try?
Photos / video link:

2

Check the evaporator coil and see if it has a frost pattern. If it does not and the compressor is running then this would be a sealed system issue and would require service.