# SLIP OR FALL OF PERSON
> MSHA accident `220182320004` · 11/02/2017 · Freeport-McMoRan Morenci Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Janitor
- **Activity:** Walking, Running
- **Injury source:** STEPS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 5.08 years
## Operator
- **Controller:** Freeport-McMoRan Inc
- **Operator:** Freeport-McMoRan Morenci Inc.
- **Mine:** [0200024](https://api.ai-analytics.org/mine/0200024)
## Narrative

Walking down the stairs on the last step employee's knee popped

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