# SLIP OR FALL OF PERSON
> MSHA accident `220170870023` · 03/22/2017 · Wisconsin White Sand, LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall down stairs
- **Occupation:** Quality control technician, Laboratory technician, Laboratory assistant
- **Activity:** Walking, Running
- **Injury source:** STAIRS,STEPS-OUTSIDE
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** KNEE/PATELLA
- **Days lost:** 16
- **Mine experience:** 0.08 years
## Operator
- **Controller:** Matt  Myers; John  Folino; Melvin  Bollom
- **Operator:** Wisconsin White Sand, LLC
- **Mine:** [4703569](https://api.ai-analytics.org/mine/4703569)
## Narrative

Employee walked up the stairs from loading a truck and tripped, hitting right knee on the steps.

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