# HANDTOOLS (NONPOWERED)
> MSHA accident `220223210004` · 11/03/2022 · Freeport-McMoRan Chino Mines Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion in pulling or pushing objects
- **Occupation:** Drill operator
- **Activity:** Hand tools (not powered)
- **Injury source:** WRENCH
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 0
- **Mine experience:** 0.54 years
## Operator
- **Controller:** Freeport-McMoRan Inc
- **Operator:** Freeport-McMoRan Chino Mines Company
- **Mine:** [2900708](https://api.ai-analytics.org/mine/2900708)
## Narrative

Driller was removing bolts from the bonnet on the drill head. The driller was using a ratchet with an 3/8-inch drive Allen socket trying to remove the bolt. The bolt was tight and when pushing on the ratchet, the bolt suddenly broke free and is when the drillers shoulder was jolted. Medical treatment sought 11/11/2022. 

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