OK, if you can find the part where there's apane of glass, go to the upper left when facing it.
I think the general direction of this pane of glass is up.
Sorry if this didn't help much, and if it didn't, I can post some screens.
*Stormtrooper commander in front of his troop of stormtroopers walks up to general*
Commander: "We have succesfully defeated those two wookie armies."
*An Ewok starts throwing pebbles*