You follow the hall east which then bends south. The floor slowly slopes up until there is just wet muck and then it is merely damp. Ahead of you south is a door, heavy wood bound in iron bands. The wood is swollen with the humidity and the bands rusty but solid.
"Hold up. You call that a proper inspection? Let a professional handle this". Einar steps up to the door and inspects for traps. He'll also attempt to identify any locking mechanisms or determine if the door is simply swollen shut.
(secret roll) Einar finds no traps on the door. Upon close inspection, he determines that there is no locking mechanism that he can discover, the door is merely swollen shut due to the humidity. The door would swing out into the corridor but would need a mighty pull from one of you to get unjammed.