I was looking at replacing some caulking that has been cracking and I noticed there's a few loose tiles.
The surrounding tiles otherwise seem okay.
We replaced our toilet about a year and a half ago and the caulking didn't hold very well and is admittedly overdue for being replaced. That said, I think there always has been a creak in that spot.
How should I go about repairing this? What warning signs do I need to look for?
Update: I guess whatever the substrate is was cracked and the wood is damaged. Not sure how to lay something solid down to put the tiles on.