# SLIP OR FALL OF PERSON
> MSHA accident `220150090021` · 12/19/2014 · Mesabi Nugget Delaware, LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Electrician, Lineman
- **Activity:** Walking, Running
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 9
- **Mine experience:** 5.21 years
## Operator
- **Controller:** Kobe Iron Nugget, LLC; Ferrous Resources, LLC
- **Operator:** Mesabi Nugget Delaware, LLC
- **Mine:** [2103689](https://api.ai-analytics.org/mine/2103689)
## Narrative

Employee stepped onto a sloped walkway and twisted her left knee causing damage to her MCL and ACL. Employee worked normally scheduled shifts until she sought medical treatment on December 31, 2014, at which point she was placed on restricted duty.  There was no medical treatment, nor lost time, nor restricted duty until December 31, 2014.

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