# SLIP OR FALL OF PERSON
> MSHA accident `220111150011` · 04/21/2011 · CEMEX Construction Materials South, LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Machine maintenance
- **Injury source:** MACHINE-MILL,CLEANING PLT
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 6.79 years
## Operator
- **Controller:** Cemex S A
- **Operator:** CEMEX Construction Materials South, LLC
- **Mine:** [0202606](https://api.ai-analytics.org/mine/0202606)
## Narrative

While working on the screen deck of the crusher, EE turned to his left and lost his footing causing all the weight to shift to the right side.  When this occurred EE felt a pop in his right knee.

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