# MACHINERY
> MSHA accident `220253170419` · 10/17/2025 · Freeport-McMoRan Chino Mines Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by rolling or sliding object
- **Occupation:** Ball/Rod/Pebble/Hand/Limestone/Dry mill operator, Roller operator
- **Activity:** Inspect equipment or mine
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** LOWER LEG/TIBIA/FIBULA
- **Days lost:** 0
- **Mine experience:** 0.71 years
## Operator
- **Controller:** Freeport-McMoRan Inc
- **Operator:** Freeport-McMoRan Chino Mines Company
- **Mine:** [2900708](https://api.ai-analytics.org/mine/2900708)
## Narrative

As employee was making their rounds in the grinding tunnel, a grinding ball rolled down the tunnel, striking them in the left calf. EE was taken to the ER, diagnosed with a contusion and placed on restricted duty. CURRENTLY ONGOING.

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