# MACHINERY
> MSHA accident `220110970009` · 03/21/2011 · Warrior Coal LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, NEC
- **Injury source:** DRILL STEEL (ALL SIZES)
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** JAW INCLUDE CHIN
- **Days lost:** 49
- **Mine experience:** 0.52 years
## Operator
- **Controller:** Alliance Resource Partners LP
- **Operator:** Warrior Coal LLC
- **Mine:** [1517216](https://api.ai-analytics.org/mine/1517216)
## Narrative

While roof bolting, a pin steel came out of the chuck striking the employee in the left side jaw causing a laceration and fractures.

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