SU 8043 was part of an interior wall that separated Rooms I-5 and I-9, in association with SU 8090 beneath it and 8091 to its south, all of which were likely constructed at the same time. The northern limit of theirs combined feature appears to have been cut by a robbery trench, which removed the corner with wall SU 8042.
Room I-5
Southern portion of room I-9