# MACHINERY
> MSHA accident `220251690018` · 06/12/2025 · Alaska Construction & Paving, Inc.
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 0.02 years
## Operator
- **Controller:** Jerry M  Harman
- **Operator:** Alaska Construction & Paving, Inc.
- **Mine:** [5001648](https://api.ai-analytics.org/mine/5001648)
## Narrative

Employee was shown how to remove the piston which needed the leaking O rings replaced, Using a little air pressure. Employee instead used for air pressure and the piston came down and injured their fingers

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