# SLIP OR FALL OF PERSON
> MSHA accident `220121180045` · 04/24/2012 · Freeport-McMoRan Morenci Inc.
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall down stairs
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Walking, Running
- **Injury source:** GROUND
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** KNEE/PATELLA
- **Days lost:** 48
- **Mine experience:** 2 years
## Operator
- **Controller:** Freeport-McMoRan Inc
- **Operator:** Freeport-McMoRan Morenci Inc.
- **Mine:** [0200024](https://api.ai-analytics.org/mine/0200024)
## Narrative

Employee was descending the No. 3 apron feeder, when the wooden step that he stepped on wobbled.  The employee twisted and his right knee buckled and popped and he fell to the ground.

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