# MACHINERY
> MSHA accident `220260890098` · 03/22/2026 · Freeport-McMoRan Sierrita Ops.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Drill helper
- **Activity:** Unknown
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** —
- **Mine experience:** 0.19 years
## Operator
- **Controller:** Freeport-McMoRan Inc
- **Operator:** Freeport-McMoRan Sierrita Ops.
- **Mine:** [0200144](https://api.ai-analytics.org/mine/0200144)
## Narrative

Employee was tailing a core tube out from a ct-20 to pull the sample.  While tailing out the tube, the Kelly hose snagged on the wire line causing slack.  As the tube came up changing the angle releasing the slack, dropping the back side of the tube 1 foot causing a strain on the helper right shoulder

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