Building 4407 on Switchback Row in the Circuit has more rooms than it should. This is not an estimation or a complaint about confusing floor plans. The building's exterior dimensions have been measured by three independent survey teams, its footprint confirmed by satellite imaging, and its structural load calculated to the kilogram. The building is the same size it has always been. It contains, as of this morning's count, eleven rooms that were not present during last month's inspection.

The new rooms do not follow a pattern. Room 4407-N3 appeared between two existing offices on the fourth floor. The offices did not move. The hallway did not lengthen. The room is simply there, accessible through a door that maintenance staff swear was a blank wall seventy-two hours ago. The door has hinges that show years of oxidation. The room contains a window that looks out onto the alley — an alley view that, from the outside, is occupied by the brick wall of the adjacent building. The window is not a screen. It is glass. You can open it. The air that comes through smells like rain, regardless of the weather.

We have attempted to reconcile the interior measurements with the exterior. They do not reconcile. The building's interior volume now exceeds its exterior volume by approximately 340 cubic meters. This is not physically possible. Our surveyor, Kamila Osei-Mensah, has requested a transfer to a different unit. She says the measurements are correct. She says she has checked them nine times. She says she will not check them a tenth time.

Four of the new rooms are empty. Three contain furniture that matches no inventory in the building's records. Two contain personal effects belonging to no one on the tenant roster. One contains a piano. No one has moved a piano into this building. The freight elevator has not been operational since 2197. I am requesting that this building be reclassified from a maintenance concern to an active anomaly and that Unit 9 be reassigned to a project that obeys the laws of geometry.