# SLIP OR FALL OF PERSON
> MSHA accident `220100080019` · 12/12/2009 · Alcoa World Alumina LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall from ladders
- **Occupation:** Electrician helper
- **Activity:** Handling supplies or material
- **Injury source:** STEEL RAIL (ALL KINDS)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.08 years
## Operator
- **Controller:** Alcoa Inc
- **Operator:** Alcoa World Alumina LLC
- **Mine:** [4100320](https://api.ai-analytics.org/mine/4100320)
## Narrative

EE slipped on a ladder and left knee hit a beam while holding a beam for a welder. INCIDENT BECAME REPORTABLE WHEN HIS KNEE WAS IMMOBILIZED, ON 1/6/2010, WITH A BRACE.

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