# MACHINERY
> MSHA accident `220230860004` · 03/06/2023 · Knight Hawk Coal, LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Inserting bolt
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 83
- **Mine experience:** 4 years
## Operator
- **Controller:** CBR Investments, LLC; CBR Investments II, LLC
- **Operator:** Knight Hawk Coal, LLC
- **Mine:** [1103147](https://api.ai-analytics.org/mine/1103147)
## Narrative

I.E. was attempting to put glue and bolt in a hole when the material they were bolting up broke and the two pieces struck the I.E. One rock measured 12""Thx39""x18"".  The other rock measured 8""Thx32""x16"".  Employee has continued to work but was placed on restricted duty on 3-16-2023.

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