# MACHINERY
> MSHA accident `220143500031` · 12/11/2014 · Highland Mining Company 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, Inserting bolt
- **Injury source:** BOILR,PRES VSL,AIR HOS,OX
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** JAW INCLUDE CHIN
- **Days lost:** 6
- **Mine experience:** 0.29 years
## Operator
- **Controller:** Patriot Coal Corporation
- **Operator:** Highland Mining Company LLC
- **Mine:** [1502709](https://api.ai-analytics.org/mine/1502709)
## Narrative

Employee stated he was installing a roof bolt in the face area. He did not know that the rotation hose on the bolter boom had hung on the canopy post. When he pushed the bolt up the hose dislodged and struck him in the chin.

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