# FALLING/SLIDING/ROLLING MATERIALS
> MSHA accident `220171170005` · 04/21/2017 · Warrior Met Coal Mining, LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** FALLING/SLIDING/ROLLING MATERIALS
- **Accident type:** Struck by falling object
- **Occupation:** Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Idle
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 180
- **Mine experience:** 0.35 years
## Operator
- **Controller:** Warrior Met Coal Intermediate Holdco LLC
- **Operator:** Warrior Met Coal Mining, LLC
- **Mine:** [0101401](https://api.ai-analytics.org/mine/0101401)
## Narrative

Employee was standing at the control panel of feeder when the feeder washed out the employee was struck in the knee and upper leg with rock and debris causing tear in knee requiring surgery.

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