# SLIP OR FALL OF PERSON
> MSHA accident `220240290021` · 01/17/2024 ·  Coal-Mac 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:** Machine maintenance
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 80
- **Mine experience:** 0.04 years
## Operator
- **Controller:** John Mitch Potter
- **Operator:**  Coal-Mac LLC
- **Mine:** [4608984](https://api.morvs.ai/mine/4608984)
## Narrative

Drill was snow covered and turned into ice overnight. While working on drill, the back door wouldn't open, so the technician moved to the back left corner to continue working, when standing up from back left corner, feet slipped on ice causing technician to twist left knee.

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