# MACHINERY
> MSHA accident `220171880004` · 06/30/2017 ·  Coal-Mac LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (powered)
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** NECK
- **Days lost:** 22
- **Mine experience:** 6 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:**  Coal-Mac LLC
- **Mine:** [4608984](https://api.ai-analytics.org/mine/4608984)
## Narrative

Mechanic was trying to free the end of the hard bar that had dropped down and wedged into the roller frame. They were using a hyd. jack to push the roller frame out placing crib block under the bar when it came free from it's position as EE was placing a crib block under it and the roller frame shifted inward striking mechanic on the head on EE's hard hat causing a cervical strain

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*