# HANDTOOLS (NONPOWERED)
> MSHA accident `220232620018` · 09/15/2023 · Perkins Cinders Inc
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Fall to the walkway or working surface
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Hand tools (not powered)
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 2
- **Mine experience:** 0.06 years
## Operator
- **Controller:** E Kay  Perkins
- **Operator:** Perkins Cinders Inc
- **Mine:** [0201398](https://api.ai-analytics.org/mine/0201398)
## Narrative

Employee was attempting to loosen a lock nut on an adjustment bolt.  The nut broke loose and the employee fell and twisted left knee.

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