# SLIP OR FALL OF PERSON
> MSHA accident `220063100009` · 09/25/2006 · Keystone Cement Company 
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Belt foreman, Maintenance foreman, Maintenance supervisor
- **Activity:** Getting on or off equipment
- **Injury source:** SCAFFOLDS,STAGING,ETC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 153
- **Mine experience:** 6.15 years
## Operator
- **Controller:** Cementos Portland Valderrivas S A
- **Operator:** Keystone Cement Company 
- **Mine:** [3600125](https://api.ai-analytics.org/mine/3600125)
## Narrative

Employee was exiting Finish Mill # 1. As he stepped down onto platform he twisted his knee. Employee who is a supervisor went to company doctor who released him for work, follow up showed torn medial meniscas in right knee. Employee had surgery on 11/02/2006 making this a reportable lost time accident

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