out of commission
• not in service; not in working order.
• "my car is out of commission until a new clutch arrives"
Similar:
not in service,
unavailable for use,
not in use,
out of action,
unserviceable,
not working,
not functioning,
not functional,
inoperative,
not in operation,
not in working order,
out of order,
down,
U/S,
