# SLIP OR FALL OF PERSON
> MSHA accident `220120090016` · 01/02/2012 · Thunder Basin Coal Company LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall onto or against objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Walking, Running
- **Injury source:** NONPOWRD VECH-DOLI,WHLBRW
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** CHEST (RIBS/BREAST BONE/CHEST ORGNS)
- **Days lost:** 0
- **Mine experience:** 2.77 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Thunder Basin Coal Company LLC
- **Mine:** [4801215](https://api.ai-analytics.org/mine/4801215)
## Narrative

Employee had stepped over the tongue of a skid steer trailer carrying 3 rolls of cord. As the employee's second foot contacted the ground after step over, his foot slipped and he lost balance causing him to fall backwards onto the tongue of the skid steer trailer fracturing three ribs on his right side. Walking surface was melting snow and ice.

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