# SLIP OR FALL OF PERSON
> MSHA accident `220113270018` · 11/19/2011 · Kennecott Utah Copper LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Drill helper
- **Activity:** Getting on or off equipment
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** ANKLE
- **Days lost:** 0
- **Mine experience:** 0.69 years
## Operator
- **Controller:** Rio Tinto Group
- **Operator:** Kennecott Utah Copper LLC
- **Mine:** [4200149](https://api.ai-analytics.org/mine/4200149)
## Narrative

Employee was exiting the bed of the one ton crew truck when his foot slipped off the penal hitch, used for a step, causing him to lose his balance and twisting his left ankle.

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