# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220170530020` · 12/13/2016 · Prairie State Generating Company LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Machine maintenance
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 6
- **Mine experience:** 4.85 years
## Operator
- **Controller:** Prairie State Energy Campus Management Inc
- **Operator:** Prairie State Generating Company LLC
- **Mine:** [1103193](https://api.ai-analytics.org/mine/1103193)
## Narrative

The employee was setting the section feeder when the employee stepped on a rock and felt pain in their right knee. This accident occurred on 12/13/2016 and the employee went out for surgery on 02/17/2017. 

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