Ac service flowery branch. Completed diagnostic. Found drain line clogged at p trap. Cleared drain line. Evap coil has no signs of freezing. Ensured condensate draining properly. System has concerning amounts of mold in and around system. Recommend pure air treatment installed to kill mold bacteria viruses and allergens that could cause harm to residents. System has no water safety installed recommend inline float switch to turn system off in case of clogged drain line. Outdoor unit has good pressures. System not low on refrigerant. System cooling at this time. Customer needs hard copy mailed to her.