# SLIP OR FALL OF PERSON
> MSHA accident `220101760035` · 06/09/2010 · Trapper Mining Inc
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Drill operator
- **Activity:** Machine maintenance
- **Injury source:** SCAFFOLDS,STAGING,ETC
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** KNEE/PATELLA
- **Days lost:** 65
- **Mine experience:** 4.9 years
## Operator
- **Controller:** Salt River Project; MidAmerican Energy Holdings Company; Tri-State Gener
- **Operator:** Trapper Mining Inc
- **Mine:** [0502838](https://api.ai-analytics.org/mine/0502838)
## Narrative

Employee reported slipping while washing the drill deck, twisting his left knee.  On 6/16, physician reported small fractures in the tibial plateau and left fibular head.  Employee was restricted from full work duties.  Referred to an orthopaedic specialist who sustained the work restrictions.

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