Clean Filter or Replace if Needed
Refrigerant Charge (does not include refrigerant)
Condenser – Compressor – Condenser Fan Motor – Contactor – Starter(capacitor) – High & Low Voltage Wires – Wash Condenser
Control (Thermostat)
Indoor Motor Blower
Airflow and Temperatures
Ductwork, you could be cooling the attic. Make sure ducts are sealed & attached properly.
Insulation
Condensate drain line and secondary drain pan if applicable.