# MACHINERY
> MSHA accident `220030840075` · 09/11/2002 · Freedom Energy Mining Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by rolling or sliding object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Inserting bolt
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 105
- **Mine experience:** 0.23 years
## Operator
- **Controller:** Massey Energy Company
- **Operator:** Freedom Energy Mining Company
- **Mine:** [1507082](https://api.ai-analytics.org/mine/1507082)
## Narrative

EMPLOYEE WAS OPERATING A ROOF BOLTER, INSTALLING THE FIRST BOLT IN THE INSIDE ROW WHEN WITHOUT WARNING THE RIB BEHIND HIM ROLLED OFF STRIKING HIS LOWER BACK. HE SUFFERED MUSCLE STRAIN.

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