# SLIP OR FALL OF PERSON
> MSHA accident `220171250024` · 05/02/2017 · Hanson Aggregates LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Struck against stationary object
- **Occupation:** Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver
- **Activity:** Getting on or off equipment
- **Injury source:** HGHWY ORE CARIER,LRGE TRK
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 2 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Hanson Aggregates LLC
- **Mine:** [4100025](https://api.ai-analytics.org/mine/4100025)
## Narrative

While attempting to mount a Cat 777D, an employee with 2 years of mining experience had the wire rope ladder swing forward towards the vehicle causing the employee to fall downward with right foot still on the rung and landed on ee still extended left leg. As a result the employee suffered a hyperextension of the right knee. 

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