# HANDLING OF MATERIALS
> MSHA accident `220171240019` · 04/24/2017 · Thunder Basin Coal Company LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** HGHWY ORE CARIER,LRGE TRK
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 0
- **Mine experience:** 5.9 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Thunder Basin Coal Company LLC
- **Mine:** [4800977](https://api.ai-analytics.org/mine/4800977)
## Narrative

The IE was working in an engine compartment of a 795 haul truck when ee lost balance. When ee grabbed the deck of the truck to catch balance the twisting motion on shoulder caused it to pop. 

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