Found spring on damper actuator to be bad. Must replace the damper replaced damper for upstairs tested it no issues found. Found a 16 x 20 x 5 Honeywell filter in a 16 x 20 x 5 filter box. Which is pulling air from the attic into the system will need a 16 x 20 x 5 filter Honeywell replacement filter code FC10081003.