# MACHINERY
> MSHA accident `220083220036` · 11/06/2008 · Freeport-McMoRan Tyrone Inc
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck against a moving object
- **Occupation:** Grader operator, Roadgrader operator
- **Activity:** Grader
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 156
- **Mine experience:** 0.5 years
## Operator
- **Controller:** Freeport-McMoRan Inc
- **Operator:** Freeport-McMoRan Tyrone Inc
- **Mine:** [2900159](https://api.ai-analytics.org/mine/2900159)
## Narrative

While using Grader 16M, operator backed over rock causing a back strain.

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