# SLIP OR FALL OF PERSON
> MSHA accident `220091910013` · 07/08/2009 · Sylvania Minerals LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **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:** Walking, Running
- **Injury source:** SCAFFOLDS,STAGING,ETC
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 1.96 years
## Operator
- **Controller:** Great Lakes Aggregates LLC
- **Operator:** Sylvania Minerals LLC
- **Mine:** [2002964](https://api.ai-analytics.org/mine/2002964)
## Narrative

Walking on catwalk to do repair work, greasing, on #1 conveyor line, employee tripped on debris and fell on left knee resulting in minor contusion of knee.

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