Good try, but that address is an old worn-out magic word.
Your lamp is now on.
You are in a debris room filled with stuff washed in from the surface.
A low wide passage with cobbles becomes plugged with mud and debris here, but an awkward canyon leads upward and west.
A note on the wall says "Magic word XYZZY".
A three foot black rod with a rusty star on an end lies nearby.
https://walt.gregg.juneau.ak.us/x/404 (Debris Room)