# SLIP OR FALL OF PERSON
> MSHA accident `220080170039` · 01/09/2008 · Pacific Calcium Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 7.85 years
## Operator
- **Controller:** MacDonald Development Corporation
- **Operator:** Pacific Calcium Inc
- **Mine:** [4500191](https://api.ai-analytics.org/mine/4500191)
## Narrative

Employee was replacing an electric motor. He turned to move to the other side to tighten motor mount bolts when his foot stuck in the snow and he twisted his right knee.

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