# HANDTOOLS (NONPOWERED)
> MSHA accident `220043100002` · 09/23/2004 · Thunder Basin Coal Company LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion in pulling or pushing objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (not powered)
- **Injury source:** WRENCH
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 22
- **Mine experience:** 0.15 years
## Operator
- **Controller:** Ashland Inc
- **Operator:** Thunder Basin Coal Company LLC
- **Mine:** [4800977](https://api.ai-analytics.org/mine/4800977)
## Narrative

The employee had experienced several years of chronic shoulder pain. While pulling a chain wrench, it broke and he experienced more pain. He continued to work until October 28 when he underwent surgery. The doctor diagnosed a rotator cuff tear with the underlying cause being a large acromioclavicular spur.

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