yes, you could replace the pipe but before doing that, I'd give thought to the pipe being partially blocked, causing the water to back up. If you can, trace the pipe back to where it dumps into the main sewer, look for a clean out and take a look. built in 69' is a "newer" house.
A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! Helping You to Do It Yourself!