Performed preventative maintenance tune up. First I have cleared debris from compressor unit. Cleaned and rinsed condenser coil and compressor deck. I have change all filters. Inspected the air handler unit. Unit service is for main office. Customer has mentioned the unit has been struggling to keep temperature during hot summer months. Checked blower motor operation and inspected equipment cabinet. Cleaned and rinsed drain pan and vacuumed drain line. Flushed drain line with water and primed drain line. The evaporator coil is rusty dirty and needs a deep cleaning to help unit breathe properly and cooling properly. Unit has good capacitor and blower motor is running properly. Next went to condensers on ground. During start up the Condensers unit is noisy while running. The compressor amp draw is over manufacture specifications at 19 amps. Customer has mentioned the unit has possibly leaking in r22 system. Checked condenser fan operation and checked electrical components. The capaci