Customer has old cast iron cleanout where sewer main exits the home that has large amounts of corrosion and build up leading to frequent clogs. Recommend replacing cleanout and performing descaling to cast iron drains. Replaced old cast iron cleanout and performed descaling to main under home. Performed further camera inspection out towards city sewer and saw customer has a root intrusion approximately 6’ deep where the new pvc piping and old clay pippin connected. Strongly recommended performing repair on this section to avoid future issues