# MACHINERY
> MSHA accident `220260350015` · 01/28/2026 · Southwest Critical Materials LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Rock driller
- **Activity:** Handling supplies or material
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** LOWER LEG/TIBIA/FIBULA
- **Days lost:** 0
- **Mine experience:** 0.15 years
## Operator
- **Controller:** Kinterra Capitol Corporation
- **Operator:** Southwest Critical Materials LLC
- **Mine:** [2602711](https://api.ai-analytics.org/mine/2602711)
## Narrative

Drill helper removed stuffing box, tube lowered to safety block, pulled overshot off tube, stepped back. The driller ran rods up to release tube from rods. Once the driller ran the rod string up, a piece of slipped core (or core stuck in bit/shoe) fell out of the rod string as rods moved forward, striking the helper in the shin.

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