My plumbing woes started the other day when I heard a dripping sound in the basement ceiling. It would coincide with kitchen sink usage (one floor above the basement) so I figured it was a leaking drain pipe. Finally tore open the ceiling drywall today to investigate and was greeted with two annoying scenarios.
The leak was at an elbow where vertical and horizontal PVC pipe sections were joined. To my amazement, the vertical pipe was not cemented to the elbow, only the horizontal section was. Just pulling down on the horizontal allowed me to separate the pipes. Here is a shot of the pipes after separating and shifting the horizontal away from the vertical;