Technician arrived on site and performed ac tune up on 3 systems. Cleaned coils with chemicals. Cleaned out inside of condenser. Installed new wire management systems in electrical cabinets. Cleaned out electrical cabinets. Tested electrical components. Everything checked out. Outdoor fan motor on downstairs unit is failing. Most likely next year or sooner. Refrigerant charge is okay. Filters were changed. Drain lines were flushed out. Indoor units are dirty. Could not access the downstairs furnace at this time. Units are operational upon departure.