Completed system tune up. Checked pressures, volts, amps and all electrical components. Checked evaporator coil. Checked drain line and condensate pump. Customer having issue with air flow to master bedroom and living room. Found 4" supply run collapsed however unable to check ducts to bedroom at this time , we will need a very small guy to inspect ducts to back bedroom. Upon completion of inspection we will send quote for repair of necessary duct work. Customer signed up for taps membership. Left system in good working order.