# MACHINERY
> MSHA accident `220152520005` · 09/02/2015 · Armstrong Coal Company, Inc.
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **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:** METAL COVERS & GUARDS
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** MOUTH/LIP/TEETH/TONGUE/THROAT/TASTE
- **Days lost:** 0
- **Mine experience:** 1.15 years
## Operator
- **Controller:** Armstrong Energy Inc
- **Operator:** Armstrong Coal Company, Inc.
- **Mine:** [1519535](https://api.ai-analytics.org/mine/1519535)
## Narrative

Employee stated: bolting in #4 entry on #4 unit and had pinner wrench on bolt when boom was lowered, the wrench came out of the chuck striking his mouth resulting in a fracture to top left tooth.

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