# SLIP OR FALL OF PERSON
> MSHA accident `220191570026` · 05/29/2019 · Smart Sand, Inc
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall from ladders
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Climb scaffolds, Ladders
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** MULTIPLE INJURIES
- **Body part:** KNEE/PATELLA
- **Days lost:** 15
- **Mine experience:** 0.38 years
## Operator
- **Controller:** Clearlake Capital Partners; Charles  Young
- **Operator:** Smart Sand, Inc
- **Mine:** [4703625](https://api.ai-analytics.org/mine/4703625)
## Narrative

Employee misjudged the last rung of step ladder, missed rung and went to floor. Twisted right knee with wrench in pants pocket.  Dislocated knee cap, eventually diagnosed with tear in ACL, given light duty work restrictions

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