29 MINE MAN HOIST BEGAN MAKING A NOISE ON 7/2/2020. MAINTENANCE ISSUE OF BULL GEAR KEY WELD HAD BROKEN LOOSE. MSHA: 10:15 AM - EMPLOYEES EVACUATED OUT OF THE MINE FOR REPAIRS. REPAIRS MADE AND MSHA WAS CALLED BACK TO LET THEM KNOW THAT SITUATION WAS COMPLETE. EMPLOYEES WERE RELEASED BACK TO WORK AT 12:00 PM