# MACHINERY
> MSHA accident `220141610001` · 04/23/2014 · Speed Mining, LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** LW Propman, Propman helper, Move crew if LW, Move-up man, Jacksetter, Advanceman LW helper
- **Activity:** Longwall, Shear, Plow
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 146
- **Mine experience:** 3 years
## Operator
- **Controller:** Patriot Coal Corporation
- **Operator:** Speed Mining, LLC
- **Mine:** [4605437](https://api.ai-analytics.org/mine/4605437)
## Narrative

Employee had his left knee resting on a relay bar at shield #17 when someone pushed the panline causing the relay bar to jump up and the employee sprained his left knee. *Employee was not removed from work due to injury until June 3, 2014.*

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