# MACHINERY
> MSHA accident `220122280037` · 08/03/2012 · Highland Mining Company LLC
## 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, Drilling
- **Injury source:** DRILL STEEL (ALL SIZES)
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 35
- **Mine experience:** 0.13 years
## Operator
- **Controller:** Patriot Coal Corporation
- **Operator:** Highland Mining Company LLC
- **Mine:** [1502709](https://api.ai-analytics.org/mine/1502709)
## Narrative

Stated:  Employee was drilling hole for roof bolt. He drilled in his first steel and dropped the arm to connect the second steel to the first.  He raised the arm to continue drilling. He did not notice the bottom of the second steel was not in the chuck but on the shoulder.  He continued with the upward pressure.  The steel slipped off and hit his right hand, fracturing his thumb.

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