Air Conditioning Maintenance for a residential homeowner. Upon arrival performed a one system maintenance inspection checking cooling. Checked inside units electrical, mechanical and safety components. Checked blower amp draws 4.4/9amps. Checked filter and drain lines. Then checked outdoor units pressures, amp draws and capacitors. All checked out good, noticed that the contactor is pitted and worn down. Recommended replacing contactor. Pressures were 125/275.