Blue shield plan AC tune up on 2008 RUUD r-22 3 ton split system. Spoke with customer and they have not yet turned on their AC. They have left system in off setting since this first warm temp drift this spring. Checked filters and they are still good from recent cleanings. Left spare filters with customer. Checked attic and inspected drain, evaporator coil, blower and blower capacitor. We were recently out and did a duct and system cleaning on the system. Washed condenser thoroughly from excessive debris buildup in the coils. Tested system wiring and found contactor and spade connection points to be burned and pitted in several spots. Recommend replacing contactor to help prevent any over summer premature breakdowns. With approval, I replaced contactor and burnt wiring points. This may have been caused from intermittent power surges either from the hubs or electrical storms. Cleaned excess debris around condenser and tested electrical. Fan amps are .6/.8 and in range. Condenser amps a