# MACHINERY
> MSHA accident `220050460012` · 02/02/2005 · Noranda Alumina LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Crane operator, Mobile equipment operator (MEO), Dragline operator, Dropball operator, Rigger
- **Activity:** Hand tools (powered)
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 30.17 years
## Operator
- **Controller:** Noranda Aluminum Company
- **Operator:** Noranda Alumina LLC
- **Mine:** [1600352](https://api.morvs.ai/mine/1600352)
## Narrative

Employee was tightening snubber block at end of 101 Gantry boom.  Using air impact gun to tighten 6 bolts of the snubber block on the close line.  When attempting to pull slack on air line, felt sharp pain in his back.  Went to medical for treatment, & continued to experience back pain.  Determined restrictive duty on 2/10/05.

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