On arrival checked thermostat was calling for cooling. Measured EWT,LWT,EWP,LWP, delta P,delta T, measured return temperature, supply temperature, amps,and voltage. Inspected electrical connections, filter is clean,evaporator coil is clean, contactor, and voltage absorption system.when inspecting the blower motor I found the insulation on the left side of the blower was coming off, I used tape to put it back together. Explain to the customer the benefits of installing a uv light. Unit is operating normal at this time.