# SLIP OR FALL OF PERSON
> MSHA accident `220090780024` · 03/11/2009 · Covol Engineered Fuels LC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Belt foreman, Maintenance foreman, Maintenance supervisor
- **Activity:** Climb scaffolds, Ladders
- **Injury source:** FIXED LADDERS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 1.25 years
## Operator
- **Controller:** Headwaters Inc
- **Operator:** Covol Engineered Fuels LC
- **Mine:** [0103362](https://api.ai-analytics.org/mine/0103362)
## Narrative

Employee was examining the air cylinder in the float cell. When he started to come down the ladder, he took a misstep on the ladder which turned his foot sideways causing his knee to pop.

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