# MACHINERY
> MSHA accident `220240030013` · 12/17/2023 · Allegheny Metallurgical, LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between running or meshing objects
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, NEC
- **Injury source:** UNDERGRD MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 28
- **Mine experience:** 1.77 years
## Operator
- **Controller:** American Metals & Coal International Inc.; POSCO-NCR Coal Ltd; JAZ Ventu
- **Operator:** Allegheny Metallurgical, LLC
- **Mine:** [4609447](https://api.ai-analytics.org/mine/4609447)
## Narrative

Injured employee was placing a roof bolt in the chuck of the roof bolter when they bumped the rotation lever and caught their left hand resulting in a sprain/strain type injury.  Employee began missing work on 1/2/24.

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