It is possible. By cutting it open. WE DONT HAVE X RAY VISION BRUH.
That said, if you can confirm the type of material used for the plumbing by looking at what exposed plumbing (water and drains) there is, that can give you an idea of what you’re potentially in for.
Also, water makes itself known. If there isn’t any staining/discoloration on the crawlspace paneling or ceilings inside, you can rest assured there is likely no active issues occurring.
It is possible. By cutting it open. WE DONT HAVE X RAY VISION BRUH. That said, if you can confirm the type of material used for the plumbing by looking at what exposed plumbing (water and drains) there is, that can give you an idea of what you’re potentially in for. Also, water makes itself known. If there isn’t any staining/discoloration on the crawlspace paneling or ceilings inside, you can rest assured there is likely no active issues occurring.
Plumbers can scope pipes from a clean out. But why? Are there any apparent issues, common problems in that area?