# FALLING/SLIDING/ROLLING MATERIALS
> MSHA accident `220181160010` · 04/17/2018 · Source Energy Services Proppants LP
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** FALLING/SLIDING/ROLLING MATERIALS
- **Accident type:** Struck by falling object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (not powered)
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** CHEST (RIBS/BREAST BONE/CHEST ORGNS)
- **Days lost:** 26
- **Mine experience:** — years
## Operator
- **Controller:** Jim  McMahon; Brad  Thompson
- **Operator:** Source Energy Services Proppants LP
- **Mine:** [4703686](https://api.ai-analytics.org/mine/4703686)
## Narrative

We were contracted to change tires on a 844 John Deere loader.  In the process of jacking the equipment up - the blocking and jack failed causing the loader to shift downward and the employee was struck by the loader frame.  

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