# MACHINERY
> MSHA accident `220090410054` · 02/06/2009 · Mammoth Coal Co
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Shuttle car operator, Mantrip operator, Ramcar operator, Rail runner, Buggy operator
- **Activity:** Roof bolter, Inserting bolt
- **Injury source:** DRILL STEEL (ALL SIZES)
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** WRIST
- **Days lost:** 62
- **Mine experience:** 0.77 years
## Operator
- **Controller:** Massey Energy Company
- **Operator:** Mammoth Coal Co
- **Mine:** [4609148](https://api.ai-analytics.org/mine/4609148)
## Narrative

EE was bolting top when the drill steel became lodged. He dropped the head and struck drill steel to free it, but was unsuccessful. Raised drill pot and engaged rotation to free steel. Drill steel was not properly seated and when is came out of hole struck his left wrist.

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