# MACHINERY
> MSHA accident `220130950033` · 03/21/2013 · Webster County Coal LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Drilling
- **Injury source:** DRILL STEEL (ALL SIZES)
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FOREARM/ULNAR/RADIUS
- **Days lost:** 32
- **Mine experience:** 18.63 years
## Operator
- **Controller:** Alliance Resource Partners LP
- **Operator:** Webster County Coal LLC
- **Mine:** [1502132](https://api.ai-analytics.org/mine/1502132)
## Narrative

Employee was drilling into the mine roof with drill steels. While he was applying boom and rotation pressure, the steels became stopped up with drilling dust and the operator did not release the pressure before the steels broke, striking him in the left arm causing a fracture. He started missing time on 3-22-13.

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