# MACHINERY
> MSHA accident `220130600024` · 02/26/2013 · Excel Mining 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:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 83
- **Mine experience:** 1.73 years
## Operator
- **Controller:** Alliance Resource Partners LP
- **Operator:** Excel Mining LLC
- **Mine:** [1508079](https://api.ai-analytics.org/mine/1508079)
## Narrative

While in the process of installing permanent roof support, employee placed a roof bolt into the drill pot, bolt twisted causing him to strain his left shoulder. ER physician place employee off work.

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