# MACHINERY
> MSHA accident `220042780092` · 09/09/2004 · Ohio County Coal Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, NEC
- **Injury source:** UNDERGRD MINING MACHINES
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** KNEE/PATELLA
- **Days lost:** 52
- **Mine experience:** 0.29 years
## Operator
- **Controller:** Peabody Energy Corporation
- **Operator:** Ohio County Coal Company
- **Mine:** [1517587](https://api.ai-analytics.org/mine/1517587)
## Narrative

EMPLOYEE WAS LETTING BOOM OF BOLTER DOWN WHEN HE CAUGHT HIS RIGHT KNEE UNDER PART OF THE BOOM. THE BOOM CAME DOWN ON HIS KNEE.

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