# MACHINERY
> MSHA accident `220103570042` · 12/15/2010 · McElroy Coal Company
## 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, Drilling
- **Injury source:** DRILL STEEL (ALL SIZES)
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** JAW INCLUDE CHIN
- **Days lost:** 73
- **Mine experience:** 10 years
## Operator
- **Controller:** CONSOL Energy Inc
- **Operator:** McElroy Coal Company
- **Mine:** [4601437](https://api.ai-analytics.org/mine/4601437)
## Narrative

EE was raising the head of the center bolter when a drill steel fell behind the head. The drill steel sprung back and struck the EE in the lower jaw. This resulted in a broken mandible and laceration.

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