# SLIP OR FALL OF PERSON
> MSHA accident `220070920011` · 03/22/2007 · Buzzi Unicem USA
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Electrician, Lineman
- **Activity:** Electrical maintenance
- **Injury source:** COAL & PETROL PRODUCT,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 6.62 years
## Operator
- **Controller:** Buzzi S p A
- **Operator:** Buzzi Unicem USA
- **Mine:** [4000838](https://api.ai-analytics.org/mine/4000838)
## Narrative

Employee was wiring up a piece of equipment at the Stamler.  There was oil on the surface, causing him to slip and twist his left knee.  He stated he heard a popping noise and felt pain in his knee.

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