# HANDLING OF MATERIALS
> MSHA accident `220132410054` · 02/14/2013 · Thunder Basin Coal Company LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Struck by flying object
- **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:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 112
- **Mine experience:** 7.17 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Thunder Basin Coal Company LLC
- **Mine:** [4800977](https://api.ai-analytics.org/mine/4800977)
## Narrative

On 2/14/13 a millwright was removing a stuck upper nose roller pin on the fairlead frame of the 12DL when the pin popped loose striking the technician on the side.  The tech continued to work while being seen by a physician over the next several months. On August 8/22/13 he received medical treatment that makes this incident a medical reportable injury.

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