# MACHINERY
> MSHA accident `220201140009` · 04/09/2020 · Gila River Sand & Gravel Corporation
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 5.29 years
## Operator
- **Controller:** Gila River Indian Community
- **Operator:** Gila River Sand & Gravel Corporation
- **Mine:** [0202116](https://api.ai-analytics.org/mine/0202116)
## Narrative

Doing a liner change, installing wear plates on inside of tub of the K400 crusher, EE was in bottom of tub aligning wear plate. A jack was installed from cone head to the wear plate to get it ready for welding. Everything was in place and when they let it go, the jack gave out causing the plate to come down landing on EE's left hand, causing the injury. 

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