# OTHER
> MSHA accident `220071220014` · 03/03/2007 · U.S. Silica Company, LLC
## Details
- **Degree of injury:** ALL OTHER CASES (INCL 1ST AID)
- **Classification:** OTHER
- **Accident type:** Bodily reaction, NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** BODILY MOTION
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 10.21 years
## Operator
- **Controller:** USS Holdings Inc
- **Operator:** U.S. Silica Company, LLC
- **Mine:** [4602805](https://api.ai-analytics.org/mine/4602805)
## Narrative

Employee popped his right knee out of place doing maint. work on a loader.  He indicated that the damage was from a pre-existing condition caused by a skiing accident and that the ""popping"" of his knee happened often.  Injury was ruled a first aid at the time-no lost work days.  Employee went for surgery on April 26, 2007 causing the first aid to become a LWC on April 27, 2007.

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