Performed ac tuneup in Rocklin. Unit is a Rheem rooftop package unit. Plenum are sealed and not leaking air. Checked coils And are slightly dusty but nothing stuck inside of Finns. Checked all electrical connections and showing no signs of burnt wires or corroded terminals. Checked capacitor and is in range 47uf/10.1uf and is okay. Cleaned out electrical compartment and removed dust and spider webs. Condensate is draining properly with no clogs and is draining into gutter. Gas line is hooked up properly. Will clean return grill and remove dust then replace filter.