Also depends what the larger policy is around that one designed-to-fail part. Is it a toolless swap, with the store manager having a baggy of them in a cabinet

Also depends what the larger policy is around that one designed-to-fail part. Is it a toolless swap, with the store manager having a baggy of them in a cabinet somewhere? Or is even the sacrificial component only able to be swapped out by a special technician who must be specially summoned with some amount of cost and lead-time?