# SLIP OR FALL OF PERSON
> MSHA accident `220110620015` · 01/05/2011 · U.S. Silica Company, LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Getting on or off equipment
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 21
- **Mine experience:** 13 years
## Operator
- **Controller:** USS Holdings Inc
- **Operator:** U.S. Silica Company, LLC
- **Mine:** [3603122](https://api.ai-analytics.org/mine/3603122)
## Narrative

On 1/5/11, employee was exiting the CAT 385 and upon stepping from the top step to the second step, it was pushed into the top step. Right leg went to the ground and left leg was stuck on top step, twisting left knee. Injury was reported on 2/23/11. Received Medical Treatment on 3/2/11.

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