# SLIP OR FALL OF PERSON
> MSHA accident `220142230007` · 08/06/2014 · R J Grondin & Sons
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Machine maintenance
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.58 years
## Operator
- **Controller:** Robert J  Grondin; Kenneth J  Grondin
- **Operator:** R J Grondin & Sons
- **Mine:** [1700736](https://api.ai-analytics.org/mine/1700736)
## Narrative

Employee was using a wrench to tighten the bolt that was holding a cutting edge on his loader bucket.  The wrench slipped and the employee lost his balance.

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