Upon arrival shut power off to the unit and replaced fan motor and capacitor. While fan motor was out I cleaned the coil and got the debris out of inside the unit. Put everything back together and started the unit. Let unit for for alittle bit, charge looked ok, when turning unit off, you could hear the blade slip just slightly. Explained to customer with its age and everything the blade could be warring out and causing a slight noise as well. I told him to keep an eye on it and if it gets worse we can price it up to replace the blade. Customer is very happy with the service at this time.