# HANDTOOLS (NONPOWERED)
> MSHA accident `220260200053` · 01/20/2026 · Knife River - South Dakota
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Struck by flying object
- **Occupation:** Front-end loader, Scraper-loader operator, Pan operator, Payloader, Scraper rig operator
- **Activity:** Machine maintenance
- **Injury source:** CHAIN,ROPE,CABLE-NT CONVY
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 10.58 years
## Operator
- **Controller:** Knife River Corporation
- **Operator:** Knife River - South Dakota
- **Mine:** [3900008](https://api.ai-analytics.org/mine/3900008)
## Narrative

Employee was assisting with the replacement of a head-drum shaft bearing on the #1 screen conveyor on the Portable Plant. The chain that was used to support the head-drum and shaft assembly snapped, striking Tyler Whipple middle finger on left hand, fracturing the 3rd digit / tip of finger.

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