Arrived on site for tune up. Customer stated that they had no issues while they've been living here for the last two years. Ask him about the unit status and efficiency during the Heat Wave and customer said that they were pretty cool. Change the filter of the unit that is located in the Attic not to pull down ladder is located in the garage. Open up the coils to check out the evaporator codes the condition and cleanliness. Notice that the metering devices at txv. Everything inside seems well and dropped in a pan condensation treatment. Notice some dried up residue in the emergency pan. Notice a little drop of water possibly done by the condensation of a little leak hole of the panel of the evaporator coil, taped it up with tape so no higher can go in creating condensation that leaks out.