# MACHINERY
> MSHA accident `220240170012` · 01/14/2024 · Allegheny Metallurgical, LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, NEC
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** LOWER LEG/TIBIA/FIBULA
- **Days lost:** 1
- **Mine experience:** 1.48 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 checking the suction on a roof bolting machine when a piece of rock fell from the roof/rib and struck left calf resulting in a laceration that required sutures to close.  

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