# SLIP OR FALL OF PERSON
> MSHA accident `220120600013` · 02/14/2012 · Lhoist North America of Arizona Inc.
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR 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:** Crawling, Kneeling
- **Injury source:** MISCELLANEOUS,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 32.69 years
## Operator
- **Controller:** Lhoist Group
- **Operator:** Lhoist North America of Arizona Inc.
- **Mine:** [0400156](https://api.ai-analytics.org/mine/0400156)
## Narrative

Employee indicated pain and swelling in right knee at the end of the day after kneeling and twisting working on installing spring assembly on dump truck.

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