# MACHINERY
> MSHA accident `220150930008` · 04/01/2015 · Mingo Logan Coal LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** LW Propman, Propman helper, Move crew if LW, Move-up man, Jacksetter, Advanceman LW helper
- **Activity:** Roof bolter, Drilling
- **Injury source:** DRILL STEEL (ALL SIZES)
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FOREARM/ULNAR/RADIUS
- **Days lost:** 413
- **Mine experience:** 3 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Mingo Logan Coal LLC
- **Mine:** [4609029](https://api.ai-analytics.org/mine/4609029)
## Narrative

Injured was drilling a hole for a 12' super bolt when the insert for his third piece of steel broke, causing the steel to bend near the chuck.  As the steel rotated, it struck the injured on the lower right arm, causing two fractures to the lower right arm.

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