# SLIP OR FALL OF PERSON
> MSHA accident `220050530028` · 02/10/2005 · O-N Minerals (James River) Company
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall to the walkway or working surface
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** KNEE/PATELLA
- **Days lost:** 2
- **Mine experience:** 26.06 years
## Operator
- **Controller:** Oglebay Norton Company
- **Operator:** O-N Minerals (James River) Company
- **Mine:** [4402786](https://api.ai-analytics.org/mine/4402786)
## Narrative

Injured employee was standing on the track of an excavator preparing to install the battery he had in his hands when he slipped, fell to the same leve, and struck his knee on the track.  This caused a contusion that became a problem after about a week and required medical treatment.  Fluid was drained from the affected knee and he was placed on restricted duty.

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