Plant power kicked off at 7:15 am on 2-6-14. Plant power was restored at 7:20 am but hoist power remained tripped. electricians worked on problem with main breaker, Called MSHA to report hoist power outage. Main breaker was repaired and hoist was running at 8:17 am. Second call made to MSHA to report problem resolved at 8:27 am on 2-6-14
U.S. Mine Safety and Health Administration