# HANDLING OF MATERIALS
> MSHA accident `220250300018` · 01/23/2025 · Thunder Basin Coal Company LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in lifting objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** UPPER ARM/HUMERUS
- **Days lost:** 53
- **Mine experience:** 0.29 years
## Operator
- **Controller:** Core Natural Resources Inc
- **Operator:** Thunder Basin Coal Company LLC
- **Mine:** [4800977](https://api.ai-analytics.org/mine/4800977)
## Narrative

Employee needed to get a strap under a RAX link pin, so they could lift it up into place. They tried to lift one end of the pin to slide the strap under it. When employee lifted on the pin employee tore bicep and tendon.

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