A refrigerator repair involves fixing or replacing any faulty or broken components in the appliance to restore its proper functioning. This may include fixing or replacing:

Compressor
Evaporator fan
Thermostat
Condenser coils
Door seal
Light bulbs
The repair process often involves diagnosis of the problem, removal of any damaged parts, and installation of new or repaired components. It is important to properly diagnose and repair the issue to ensure the longevity and efficiency of the refrigerator.