# HANDLING OF MATERIALS
> MSHA accident `220121110019` · 04/11/2012 · Freeport-McMoRan Sierrita Ops.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Walking, Running
- **Injury source:** COAL (PROCESSED)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 44 years
## Operator
- **Controller:** Freeport-McMoRan Inc
- **Operator:** Freeport-McMoRan Sierrita Ops.
- **Mine:** [0200144](https://api.ai-analytics.org/mine/0200144)
## Narrative

EE was maneuvering at the Mine Maintenance shop around some equipment and tools when he felt a pop in his left knee. EE had a left knee contusion with a lateral meniscus tear.

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