# HANDTOOLS (NONPOWERED)
> MSHA accident `220133310041` · 11/20/2013 · Thunder Basin Coal Company LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Struck by... NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (not powered)
- **Injury source:** AXE,HAMMER,SLEDGE
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** HEAD,NEC
- **Days lost:** 222
- **Mine experience:** 9.69 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Thunder Basin Coal Company LLC
- **Mine:** [4800977](https://api.ai-analytics.org/mine/4800977)
## Narrative

A pit millwright was struck on the head/neck by the handle of a sledge hammer when it was improperly being used as a spacer between a hydraulic ram and an idler bearing block to adjust the tension of a shovel track.

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