# MACHINERY
> MSHA accident `220113110011` · 11/01/2011 · Pinnacle Mining Company LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Drilling
- **Injury source:** DRILL STEEL (ALL SIZES)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 163
- **Mine experience:** 9.23 years
## Operator
- **Controller:** Cleveland-Cliffs Inc
- **Operator:** Pinnacle Mining Company LLC
- **Mine:** [4601816](https://api.ai-analytics.org/mine/4601816)
## Narrative

EE was dropping the drill head after drilling a hole with a roof bolting machine.  A piece of drill steel suddenly fell out of the hole and he reached up to catch it.  After this sudden movement, ee could not straighten his right arm.  He was taken to Welch Emergency.  Confirmation of diagnosis pending.

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