Due to the compactness and somewhat leveled surface, we interpret 7184 to be a leveling or preparation for some sort of floor or other surface. Also, the layer's relative position below the threshold on the southern limit of room 4 is another indication of the layer serving as a leveling or preparation.
compact layer with white mortar inclusions in room 4
Compact layer with white mortar inclusions in room H4.
View from east
View from south
View from southwest