out of service
Not available to be used, especially due to malfunction. Typically said of things used by the public. Sorry, the elevator is currently out of service—please use the stairs. I was really looking forward to the movie, but the theater's projector was out of service.
out of service
inoperable; not currently operating. Both elevators had been put out of service, so I had to use the stairs. The washroom is temporarily out of service.