I arrived to a diagnostic service call. Upon arrival customer stated system wasn't cooling at all. Found indoor filter clean. Blower Capacitor within spec and speed taps in correct position for cooling. Still has limited airflow due to age of furnace and blower. After locating condenser found contactor pulled in but unable to pull all the way to the seated position. Also found only 120v at contactor. Replaced contactor and fuses in disconnect. Started system. Found refrigerant to be low but due to air flow had temp split of 22 degrees. Informed customer of this. Allowed system to run for approximately 15 to 20 minutes with no further issues. System operational upon departure.