# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220200210025` · 01/20/2020 · ASARCO LLC, a Delaware Limited Liability Company
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Walking, Running
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** ANKLE
- **Days lost:** 0
- **Mine experience:** 0.02 years
## Operator
- **Controller:** Grupo Mexico S A B de C V
- **Operator:** ASARCO LLC, a Delaware Limited Liability Company
- **Mine:** [0200135](https://api.morvs.ai/mine/0200135)
## Narrative

Employee was walking down the stairs to the South SAG on the grind floor. Employee stepped on a rock on the grating just below the last step of the staircase on the main floor decking. This caused employee's right foot to roll to the side and employee fell to the grating. Employee also heard ankle pop. 

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