[yankeelover]

I live in a 3 story condo on the second floor and my neighbor is complaining of a leak. He cut out part of his ceiling to see if he could determine where it was coming from, and it is coming from my drain. I took off the drain cover and there is water sitting in the drain at the first turn, (elbow), I am wandering what, if anything, can be done to fix the leak without ripping my shower out and without replacing his ceiling.