At 12:25 p.m. management was made aware the secondary emergency hoist was out of service due to a boom function loss. The mine evacuation started at 12:26 p.m., MSHA notified by phone at 12:39 p.m. (Case # 03295234). All miners were transported safely to surface using the primary escapeway. Repairs were made and MSHA notified hoist back in service at 5:20 p.m.