EE strained their shoulder 4/20/2017 while replacing rigging pins (75#) on the bucket of D33 dragline. EE continued to work and did not report the incident until 5/10/2017 and did not seek medical attention until the next day. EE was taken to the doctor and received no restrictions but EE was scheduled 6 therapy sessions that started on 6/5/2017 making this a recordable injury.