Getting water pooling under the crisper drawer of my Samsung side by side - I've read other threads that suggest that the problem is a frozen or blocked defrost drain line. I don't think that is the case hear as I was able to pour several small glasses of water through the line without any backup and didn't notice any ice on the tray of the drain.

Did not see any apparent leaks on water tank either. To make sure that was the problem I turned off the water for ice/water and still getting a leak.

Photo attached of where water is coming in from. Any thoughts on what to check next?

If I had to guess (and that is what I'm doing here) I'd say the water is coming from the water tank behind the drawers.

Samsung DA97-02650D Water Tank Assy - AppliancePartsPros.com

Its not uncommon for them to freeze and crack.

The tank is mounted just above the gray outlet shown in the photo but there is no water coming from the tank to the outlet. I guess the question would be where does this gray opening lead to? It is not visible when the back panel of the unit is removed to access the defrost drain area.