Under the door
Water under the door makes your suite a corridor event.
A supply failure that reaches the hallway is no longer private. Other doors, slip risk, and common finishes are now in the file.
Stop the water in the suite if a stop is safe to use.
Then tell the manager the hallway is wet.
Towels at the threshold are not a shutoff.
They buy minutes, not a finding.
Photograph the door bottom and the corridor both ways.
Direction of flow helps.
Questions people ask
Will I be billed for hallway finishes?
That is a corporation and insurance question after the source is named.
Should I mop the hall myself?
For safety, yes if you can do it without spreading water into more suites. Then report it.