Checked indoor unit: blower motor, temp split, cleared drain line, checked float switch, changed air filter, checked duct work Outdoor unit: checked fan motor, compressor, capacitor, contractor, pressure levels, sub cooling and superheat, cleaned coils Recommended items: blowout valve for condensation line, duct cleaning, and replacement of unit. However, unit is properly functioning at this time. Gave customer a rough estimate of the cost verbally.