# MACHINERY
> MSHA accident `220253170648` · 10/27/2025 · Tunnel Ridge, LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between running or meshing objects
- **Occupation:** Longwall operator, Chock operator, Shear operator, Plow operator
- **Activity:** Longwall, Shear, Plow
- **Injury source:** LONGWALL SUPT,JKS & CHOCK
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** CHEST (RIBS/BREAST BONE/CHEST ORGNS)
- **Days lost:** 0
- **Mine experience:** 3.44 years
## Operator
- **Controller:** Alliance Resource Partners LP
- **Operator:** Tunnel Ridge, LLC
- **Mine:** [4608864](https://api.ai-analytics.org/mine/4608864)
## Narrative

A spool valve on a longwall line shield was stuck in the open position allowing the shield to slowly lower. The shield contacted an employee working under it, fracturing two ribs. 

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