# SLIP OR FALL OF PERSON
> MSHA accident `220131960038` · 06/07/2013 · Freeport-McMoRan Morenci Inc.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Backhoe operator, Trackhoe operator
- **Activity:** Walking, Running
- **Injury source:** STEPS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 50
- **Mine experience:** 6 years
## Operator
- **Controller:** Freeport-McMoRan Inc
- **Operator:** Freeport-McMoRan Morenci Inc.
- **Mine:** [0200024](https://api.ai-analytics.org/mine/0200024)
## Narrative

After our investigation, it has been determined that the employee injured her knee while walking down a flight of stairs by the #16 ball mill.

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