# SLIP OR FALL OF PERSON
> MSHA accident `220133640013` · 12/18/2013 · Knight Hawk Coal, LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall to the walkway or working surface
- **Occupation:** Laborer, Bull gang, Faceman, Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Walking, Running
- **Injury source:** MINE FLOOR,BOTTOM,FOOTWAL
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 76
- **Mine experience:** 2 years
## Operator
- **Controller:** Arch Coal Inc.; Franklin D.  Robertson; James O.  Bunn
- **Operator:** Knight Hawk Coal, LLC
- **Mine:** [1103147](https://api.ai-analytics.org/mine/1103147)
## Narrative

Employee was walking to the face, to reset a pump. He stepped on a pile of gob sinking to his knees. He fell sideways, twisting his left knee.

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