# SLIP OR FALL OF PERSON
> MSHA accident `220070670024` · 12/06/2006 · Freeport-McMoRan Sierrita Ops.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Handling supplies or material
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 20.65 years
## Operator
- **Controller:** Phelps Dodge Corp
- **Operator:** Freeport-McMoRan Sierrita Ops.
- **Mine:** [0200144](https://api.ai-analytics.org/mine/0200144)
## Narrative

On 12/6/06 employee picked up some material from the top of a pallet. When he stepped off he aggravated his right knee.  He continued to work his regular duties with minor restrictions.  On 3/5/07 we were informed he had arthroscopic surgery on an out-patient basis in early Feb, however he was able to continue to work his regular duties.

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