# HANDLING OF MATERIALS
> MSHA accident `220103560017` · 12/14/2010 · Freeport-McMoRan Sierrita Ops.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Mechanic helper
- **Activity:** Handling supplies or material
- **Injury source:** CHAIN,ROPE,CABLE-NT CONVY
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** UPPER EXTREMITIES, NEC
- **Days lost:** 0
- **Mine experience:** 0.08 years
## Operator
- **Controller:** Freeport-McMoRan Inc
- **Operator:** Freeport-McMoRan Sierrita Ops.
- **Mine:** [0200144](https://api.ai-analytics.org/mine/0200144)
## Narrative

Mechanic helper tossed a wire rope sling to coworker who was standing by the pipe they were preparing to lift. Inadvertently, the sling got caught on the boom truck rear bumper abruptly stopping his motion causing injury to his left shoulder and arm.

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