On 3/23/2017, EE reported minor pain in left knee after stepping down 2.5' onto a conveyor from within the body of a cone crusher. On 3/29/2017 EE asked to see the Dr. prior to going on vacation, diagnosed w/ L knee MCL Sprain. On 04/05/2017, EE had follow up visit w/DR upon return from vacation and was released back to work with restrictions.