# MACHINERY
> MSHA accident `220250360004` · 01/30/2025 · OnCore Processing LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between running or meshing objects
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Machine maintenance
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 28
- **Mine experience:** 0.33 years
## Operator
- **Controller:** Atlas Energy Solutions Inc
- **Operator:** OnCore Processing LLC
- **Mine:** [4105700](https://api.ai-analytics.org/mine/4105700)
## Narrative

Miner was using an impact wrench to remove the bolts from the tail bearing. When they removed the last bolt, the bearing jumped up, trapping a hand between the bearing and the take-up guard.

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