Over-exertion (Not Elsewhere Classified)
EMPLOYEE STANDING ON CATWALK OF PORTABLE SCREEN FELT DISCOMFORT IN EE'S LEFT KNEE ALTHOUGH THERE WAS NO KNOWN CONTRIBUTING HAZARD. NOTE: UNABLE TO FILE 7000-1 AT TIME OF INCIDENT DUE TO UNIT BEING IN IDLE STATUS AND NEEDED DISTRICT MSHA OFFICE TO PLACE IT BACK INTO ACTIVE STATUS WHICH WAS DONE ON 03/15/2021.