# SLIP OR FALL OF PERSON
> MSHA accident `220113410032` · 12/05/2011 · Unimin Corp
## 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:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 141
- **Mine experience:** 36.12 years
## Operator
- **Controller:** S C R-Sibelco Nv
- **Operator:** Unimin Corp
- **Mine:** [0401878](https://api.ai-analytics.org/mine/0401878)
## Narrative

AS EMPLOYEE WAS WALKING TO THE MAINTENANCE TRUCK HE FELT A ''POP'' IN HIS LEFT KNEE. BY THE TIME HE DROVE UP TO THE MAINTENANCE SHOP HE COULD BARELY WALK.

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