# HANDLING OF MATERIALS
> MSHA accident `220202760006` · 09/22/2020 · Canyon Fuel Company LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** MINE FLOOR,BOTTOM,FOOTWAL
- **Nature of injury:** DISLOCATION
- **Body part:** KNEE/PATELLA
- **Days lost:** 20
- **Mine experience:** 3 years
## Operator
- **Controller:** Wolverine Fuels LLC
- **Operator:** Canyon Fuel Company LLC
- **Mine:** [4200089](https://api.ai-analytics.org/mine/4200089)
## Narrative

EE was changing bits on the Headgate drum, when EE turned to walk out of the pan, EE's right patella popped out of the patellar groove of the knee on EE's right leg.

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