# MACHINERY
> MSHA accident `220121030026` · 03/23/2012 · Blackhawk Mining LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 0.87 years
## Operator
- **Controller:** Thomas A  Potter; John M  Potter
- **Operator:** Blackhawk Mining LLC
- **Mine:** [1519588](https://api.ai-analytics.org/mine/1519588)
## Narrative

Mechanic was removing bolts with air gun when the air gun malfunctioned and a piece broke off of the back cutting two fingers.

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