# MACHINERY
> MSHA accident `220142270015` · 03/27/2014 · Alcoa World Alumina LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Hand tools (powered)
- **Injury source:** DRIL-PRCUSV,HRD ROC,JKHMR
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** MULTIPLE PARTS (MORE THAN ONE MAJOR)
- **Days lost:** 0
- **Mine experience:** 6 years
## Operator
- **Controller:** Alcoa Inc
- **Operator:** Alcoa World Alumina LLC
- **Mine:** [4100320](https://api.ai-analytics.org/mine/4100320)
## Narrative

finding from enforcement was jackhammering and the hammer jerked causing pain to shoulders and neck

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