1ST MAINT. CHECK-UP UNDER SERVICE AGREEMENT FOR 2, 9 YR A/C UNITS. FOUND BAD BOARD DOWNSTAIRS, INSTALLED NEW BOARD. CHECK THERMOSTAT, AIR FILTER, AIRFLOW, DRAINAGE, FREON LEVELS, COMPRESSOR DELAY SAFETY CONTROLS, ENERGY CONSUMPTION, AND ALL ELECTRICAL CONNECTIONS. CLEAN AND CHECK CONDENSER COIL. CHECK VOLTAGE AND AMPERAGE ON MOTORS. ADJUST BLOWER COMPONENTS, AND LUBRICATE ALL NECESSARY MOVING PARTS. EVERYTHING IS RUNNING SMOOTHLY.