Out-of-order

Both lifts were out-of-order, so the porter had to struggle up the staircase with the guests' luggage.

Source: tatoeba (12105959)

Passengers may find themselves in a catch-22 situation, unable to buy a ticket for any number of reasons, ranging from an out-of-order ticket vending machine to a lengthy queue to use one, and yet then fall foul of the penalty fare regime.

Source: wiktionary