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. 20 degrees measured. 14. Inspected drain lines and treated to prevent blockages 15. Rinsed condenser unit to promote heat exchange 16. Replaced and dated filters Found smaller unit was draining slowly, but still draining sufficiently to deal with condensate from unit. Customer stated that they had issues with that sink draining. Suggested snaking the drain to promote better draining of unit. Advised customer if it is still draining slowly next time we