# MACHINERY
> MSHA accident `220152740007` · 09/29/2015 · Alcoa World Alumina LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (powered)
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** UPPER EXTREMITIES, MULTIPLE
- **Days lost:** 0
- **Mine experience:** 17 years
## Operator
- **Controller:** Alcoa Inc
- **Operator:** Alcoa World Alumina LLC
- **Mine:** [4100320](https://api.ai-analytics.org/mine/4100320)
## Narrative

ee reported pain in left hand after using impact wrench

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