# MACHINERY
> MSHA accident `220211650050` · 06/10/2021 · Prairie State Generating Company LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between running or meshing objects
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Inserting bolt
- **Injury source:** ROOF (ROCK) BOLTS
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 109
- **Mine experience:** 6.92 years
## Operator
- **Controller:** Prairie State Energy Campus Management Inc
- **Operator:** Prairie State Generating Company LLC
- **Mine:** [1103193](https://api.ai-analytics.org/mine/1103193)
## Narrative

Employee was in the process of installing a roof bolt. The roof bolt did not seat right in the drill chuck, while they had their hand on the roof bolt they activated the drill rotation to set the bolt in the chuck. The rotation of the bolt grabbed a glove and torqued their hand fracturing the left thumb.

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