Maintenance completed, drain and flush condensation line, clean with evap coil and conderser coil, check electrical components and refrigerant pressure, during the maintenance notice fan blade it seems unbalanced, there's moderate vibration on the motor, advised client system condition, client stated that system has a miodew smell when system in operation, coils look clean advised to replace air filter regularly and if problems persist look into installing a u.v light system or air Purifier, sending u.v quote on the email on file