# HANDLING OF MATERIALS
> MSHA accident `220161200016` · 04/22/2016 · Thunder Basin Coal Company LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Struck by falling object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** CRANES,DERRICKS
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** FOREARM/ULNAR/RADIUS
- **Days lost:** 0
- **Mine experience:** 6 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Thunder Basin Coal Company LLC
- **Mine:** [4800977](https://api.ai-analytics.org/mine/4800977)
## Narrative

Employee was struck in arm by boom after cylinder failure caused boom to drop to bed. Employee was bruised and received 2 stitches.

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