# SLIP OR FALL OF PERSON
> MSHA accident `220140150036` · 08/05/2013 · Armstrong Coal Company, Inc.
## 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:** LOOSE DIRT AND MUD
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 369
- **Mine experience:** 2 years
## Operator
- **Controller:** Armstrong Energy Inc
- **Operator:** Armstrong Coal Company, Inc.
- **Mine:** [1519535](https://api.ai-analytics.org/mine/1519535)
## Narrative

Employee states working setting new header 4A and stepped in mud and twisted knee, this was reported Aug. 5, 2013 no work missed and went back to regular job. Employee re-injured same knee 1-14-2014. May require surgery and now become's a lost time on 1-15-2014.

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