# SLIP OR FALL OF PERSON
> MSHA accident `220162350016` · 08/17/2016 · Permian Frac Sand LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall from machine
- **Occupation:** Dry screening plant operator, Screen house operator
- **Activity:** Getting on or off equipment
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 121
- **Mine experience:** 0.46 years
## Operator
- **Controller:** Frank  Agar; Richard  Coats
- **Operator:** Permian Frac Sand LLC
- **Mine:** [4105161](https://api.ai-analytics.org/mine/4105161)
## Narrative

EE was walking out of primary feed hopper, at the top of the hopper while exiting the employee fell back ward. During this the employee hurt right knee. It is not know if EE struck an object or twisted knee while falling back. The employee fell back approximately 6 feet. The hopper has raw feed material in it and could have been the cause for slipping and falling. 

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