# SLIP OR FALL OF PERSON
> MSHA accident `220083220006` · 06/18/2008 · Chevron Mining Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Greaser, Grease man, Oiler, Lube man, Dragline oiler
- **Activity:** Getting on or off equipment
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 2.63 years
## Operator
- **Controller:** Chevron Corporation
- **Operator:** Chevron Mining Inc
- **Mine:** [4800086](https://api.ai-analytics.org/mine/4800086)
## Narrative

While servicing a haul truck the employee stepped on uneven ground twisting his knee. The employee continued work for 4 months before irritation of the knee set in and had it examined. The physician found a tear in the meniscus and it was determined suregery was needed which was performed on November 11, 2008.

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