# HANDLING OF MATERIALS
> MSHA accident `220221460012` · 05/18/2022 · Rio Tinto Kennecott Copper
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Struck by falling object
- **Occupation:** Electrician, Lineman
- **Activity:** Machine maintenance
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FOREARM/ULNAR/RADIUS
- **Days lost:** 0
- **Mine experience:** 15.02 years
## Operator
- **Controller:** Rio Tinto Group
- **Operator:** Rio Tinto Kennecott Copper
- **Mine:** [4201996](https://api.ai-analytics.org/mine/4201996)
## Narrative

An Electrical technician was replacing a crusher mantle position probe, the probe came down pushing the technician's right arm downwards, contacting the elevated work platform top rail, and resulting in a fracture to the right ulna.

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