# MACHINERY
> MSHA accident `220170580023` · 02/23/2017 · The Marion County Coal Company
## 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:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** FACE,NEC
- **Days lost:** 0
- **Mine experience:** 5.25 years
## Operator
- **Controller:** Robert E  Murray
- **Operator:** The Marion County Coal Company
- **Mine:** [4601433](https://api.ai-analytics.org/mine/4601433)
## Narrative

Installing 3' rib bolt with 3' channel in upper rib to secure metal rib screen and bolt head torqued off. Bolt plate fell/sprung off screen (void between screen and rib) and struck miner in the left jaw, resulting in a laceration that required 5 sutures. Miner returned to work the next shift.

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