Removed hard pipe and elbows in bypass duct. Added one complete box of flex on each side. Changed out 14†motorized damper feeding zone 1. Checked wiring and tested system to confirm function. Zone board appears to be functioning properly, aside from a blinking purge LED that denotes a lack of DATS sensor. There was never one installed. There is also a 5†duct running from the zone feeding the kitchen and dining room that actually runs back into the section of zone 2 and into a small bathroom. This duct is probably 40’+ long. We need to send out the drywall guy to repair damage around attic access. This is a plaster wall and ceiling, notsheetrock.