Came out to call for a preventative maintenance on AC system. Discussed with customer regarding maintenance being provided today, filters, and any issues customer may be having. Customer stated that the filters do need to be changed and asked if I can change the ones that are hard to get to. I told him I’d be happy to. Changed out filters for customer and began my inspection with the equipment in the garage. Customer hasn’t had any trouble with the unit, but does notice a sound when the AC shuts off outside. Told him I would look into it. Inspected the blower assembly, motor, electrical components in blower compartment, evaporator coil, drain and overall condition of system. Made customer aware that the blower wheel will need to be cleaned soon due to the amount of dust build up happening on it. Told customer I’d inspect the rest of the system before making any repairs or cleaning. Washed condenser coil out thoroughly, and cleaned leaves out. Inspected condenser coil, compressor, fan m