The answer to 'why is my sewer repair' is that there can be several common causes for sewer line issues, including tree root intrusion, pipe collapse, clogged pipes, and damage from ground shifting or construction. Symptoms may include slow drains, sewage backups, and unpleasant odors. Solutions can range from DIY unclogging to full sewer line replacement, depending on the severity of the problem.
In general, it's best to call a professional plumber for any sewer line issues, as they have the specialized equipment and expertise to properly diagnose and repair the problem. Attempting DIY sewer repairs without the right tools and knowledge can often make the issue worse or even create safety hazards.