# SLIP OR FALL OF PERSON
> MSHA accident `220093580020` · 12/19/2009 · Asarco LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Getting on or off equipment
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 2.42 years
## Operator
- **Controller:** Grupo Mexico S A B de C V
- **Operator:** Asarco LLC
- **Mine:** [0200150](https://api.ai-analytics.org/mine/0200150)
## Narrative

Employee was walking across the deck of HT 491. He stepped up on the platform with his right leg, and caught his left foot on the step. He started to fall, but caught himself, twisting his right knee.

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