Complete system tuneup. Checked capacitor and compressor amp draw. Washed condenser coil with water only. Some corrosion/rust to form on condensing unit. Home is on the intercoastal. Inspected air handler cabinet, small amounts of biological growth on blower and evaporator coil/coil pan. Evaporator coil drain pan and drain line are full of sand. This will cause drain issues down the line. Possible damage to condensate pump. Condensate pump is currently functional. Flushed drain. Float switch is functional. Checked all electrical components. Tested system function in heating and cooling. Checked the refrigerant pressures and temperatures. System is running well at this time.