system is operating correctly at this time. tech did find tstat in of new batteries. replaced batteries to get tstat to operate. return grills are in poor shape. recommend replacing. tech recommends EZ trap for drain line to help clean and maintain proper functioning drain system. customer price is 106.00 plus tax system is operating at this time. tech removed blower assembly to clean blower wheel. tech noticed blower when is rusted and begging to separate in multiple spots. tech also removed several handfuls of rust and debris from drain pan . male connection on drain pan is cracked. tech found drain line clogged, tech added union o clear drain line. evaporator could is extremely rusted and shows signs of possible leaks. the insulation inside of unit is in poor shape. appears to have mildew and is deteriorating. due to age. multiple issues and system being R22. tech recommends replacing unit tech will have CC contact with free quote. system is operating at this time. evaporator coil