# SLIP OR FALL OF PERSON
> MSHA accident `220221170045` · 03/25/2021 · CalPortland
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **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:** Walking, Running
- **Injury source:** STAIRS,STEPS-OUTSIDE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 197
- **Mine experience:** 6.48 years
## Operator
- **Controller:** Taiheiyo Cement Corp
- **Operator:** CalPortland
- **Mine:** [0400011](https://api.ai-analytics.org/mine/0400011)
## Narrative

The employee was walking down the tower stairway.  In the process of turning to the next flight, EE sprained EE's left knee.     

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