# MACHINERY
> MSHA accident `220122900009` · 10/13/2012 · Noranda Alumina LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Prep plant foreman, Supervisor, Mill plant supervisor, Kiln supervisor
- **Activity:** Getting on or off equipment
- **Injury source:** MACHINE,NEC-WELDR,OFC MAC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 12.62 years
## Operator
- **Controller:** Noranda Aluminum Company
- **Operator:** Noranda Alumina LLC
- **Mine:** [1600352](https://api.ai-analytics.org/mine/1600352)
## Narrative

EE was descending the stairs exiting 102 gantry boom.  He missed the second step with his right foot putting all of his weight on his left leg.  EE stated he felt a pop behind his left knee and a sharp pain.  He was transported to medical dept. Knee strain, restricted work duties.

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