# MACHINERY
> MSHA accident `220110530055` · 02/10/2011 · Tunnel Ridge, LLC
## 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:** UNDERGRD MINING MACHINES
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** MOUTH/LIP/TEETH/TONGUE/THROAT/TASTE
- **Days lost:** 0
- **Mine experience:** 1.9 years
## Operator
- **Controller:** Alliance Resource Partners LP
- **Operator:** Tunnel Ridge, LLC
- **Mine:** [4608864](https://api.ai-analytics.org/mine/4608864)
## Narrative

Bolter finished installing roof bolt and when lowering bolter most the bolt wrench stuck on bolt head. The wrench fell and bounced striking the operator in the mouth and chipped his tooth.

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