At 2:30 p.m. management was notified that the engine for the secondary emergency escape hoist was out of service due to mechanical issues. MSHA was notified at 2:59 p.m. and the mine was evacuated using the primary escapeway. Repairs were made and the secondary emergency hoist was put back in service at 4:06 p.m. MSHA was notified hoist back in service at 4:06p.m.