# HANDLING OF MATERIALS
> MSHA accident `220100990013` · 04/02/2010 · Chaney Enterprises LTD Partnership
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY 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:** METAL COVERS & GUARDS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 21.58 years
## Operator
- **Controller:** Chaney Enterprises LP
- **Operator:** Chaney Enterprises LTD Partnership
- **Mine:** [1800287](https://api.ai-analytics.org/mine/1800287)
## Narrative

Employee mechanic was at our mine site doing PM to our excavator #18. He was underneath the machine, on the ground in a squatting position, installing the belly pan twisting from side to side and in the process twisted his left knee.

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