# HANDTOOLS (NONPOWERED)
> MSHA accident `220100980028` · 03/30/2010 · Thunder Basin Coal Company LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **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:** WRENCH
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** MOUTH/LIP/TEETH/TONGUE/THROAT/TASTE
- **Days lost:** 0
- **Mine experience:** 2.25 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Thunder Basin Coal Company LLC
- **Mine:** [4800977](https://api.ai-analytics.org/mine/4800977)
## Narrative

Employee was installing propel motor on P&H 2800 shovel.  Employee tightened feet bolts with impact wrench.  Injured worker was verifying that he had all the bolts tightened by using 2-1/4"" slap wrench and sledge hammer.  As employee attempted the bottom foot bolt, the slap wrench came off the nut, striking the employee in the mouth, chipping the top right central incisor.

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