Performed HVAC cooling repair today. Diagnosed faulty capacitor in Carrier 38CKC036340 condensing unit. Replaced with new 45/5 MFD dual run capacitor. Cleaned condenser coils using Nu-Calgon Evap Foam cleaner. Recharged system with R410A refrigerant using Yellow Jacket manifold gauges. Checked airflow with Testo 417 anemometer. Tested system operation, achieving 20°F delta T across evaporator coil. Completed repair in 2 hours, restoring optimal cooling performance.