Cooling preventative maintenance performed Check filter - 20x25x1 clean Check coil for any buildup debris in drain pan and flush with water Set up thermometers Rinse down outdoor coil with garden hose Verify pressures and HP-SC/LP-SH 332-10°/132-14° Delta T - 18° The Air handler and AC are in optimal running conditions. Originally low 2lbs r410a unit may have a leak if refrigerant shows low next cooling visit we will have to perform a search