# SLIP OR FALL OF PERSON
> MSHA accident `220092950024` · 09/08/2009 · 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:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Walking, Running
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 5
- **Mine experience:** 9.19 years
## Operator
- **Controller:** USS Holdings Inc
- **Operator:** U.S. Silica Company, LLC
- **Mine:** [4602805](https://api.ai-analytics.org/mine/4602805)
## Narrative

Employee was carrying two pry bars and a chain pull up a set of stairs.  When he got onto the 2nd floor, his right knee gave out.  Employee had strained his knee approx. 4-6 weeks ago on a job.  Diagnosed with a torn minicus.  Minicus was repaired on 10/16/09.  Employee did not miss work, but is on restrictive duty for two weeks.

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