# SLIP OR FALL OF PERSON
> MSHA accident `220123260001` · 11/13/2012 · Asarco 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:** Walking, Running
- **Injury source:** STEPS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** LOWER EXTREMITIES, MULTIPLE PARTS
- **Days lost:** 4
- **Mine experience:** 0.08 years
## Operator
- **Controller:** Grupo Mexico S A B de C V
- **Operator:** Asarco LLC
- **Mine:** [0200826](https://api.ai-analytics.org/mine/0200826)
## Narrative

EE was walking down stairway to lower level in crusher building. When employee stepped off the step onto the landing, he rolled his right ankle. During the examination of the accident, there was an uneven surface of built up dried mud on the stair landing. The uneven surface was crowned in the middle about 1 1/2"" high & sloped down to both sides, the width of the stair tread.

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