# SLIP OR FALL OF PERSON
> MSHA accident `220142160038` · 07/25/2014 · Norris Quarries, LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall from machine
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Getting on or off equipment
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.02 years
## Operator
- **Controller:** Summit Materials LLC
- **Operator:** Norris Quarries, LLC
- **Mine:** [2301922](https://api.ai-analytics.org/mine/2301922)
## Narrative

Employee exiting machine after trouble shooting; missed step on machine; landed on left leg / foot and sprained left knee

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