1. Visually inspected condenser coil for debris/ dirty. 2. Inspected condenser fan motor. 3. Inspected condenser fan blades. 4. Inspected/ cleaned wiring connections. 5. Tested compressor/ condenser fan motor capacitor. 6. Checked compressor amp draw. 7. Checked condenser fan motor amp draw. 8. Inspected / replaced return filter. 9. Inspected return plenum for debris/ dirty. 10. Inspected evaporator coil. 11. Inspected blower motor/ blower wheel. 12. Checked blower amp draw. 13. Measured temperature differential from supply to return. 13-14 degrees measured. Lower than expected 14. Inspected drain lines and treated to prevent blockages 15. Washed condenser unit to promote heat exchange Low temp split. Took refrigerant pressures and found everything to be normal. 4T unit cooling 2350 sqft. Undersized unit may be causing temp split and txv missing jacket.