# MACHINERY
> MSHA accident `220090770028` · 03/10/2009 · Warrior Coal LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, NEC
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 47
- **Mine experience:** 1.5 years
## Operator
- **Controller:** Alliance Resource Partners LP
- **Operator:** Warrior Coal LLC
- **Mine:** [1517216](https://api.ai-analytics.org/mine/1517216)
## Narrative

While the victim was swinging his boom/canopy in the face of No. 8 entry on NO. 3 unit, a piece of material slid off the top of the roof bolter canopy and struck him on the lower back.

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