# HANDTOOLS (NONPOWERED)
> MSHA accident `220121440025` · 05/13/2012 · Black Butte Coal Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion in pulling or pushing objects
- **Occupation:** Greaser, Grease man, Oiler, Lube man, Dragline oiler
- **Activity:** Hand tools (not powered)
- **Injury source:** WRENCH
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 79
- **Mine experience:** 4.13 years
## Operator
- **Controller:** Ambre Energy Limited; Anadarko Petroleum Corporation
- **Operator:** Black Butte Coal Company
- **Mine:** [4801180](https://api.ai-analytics.org/mine/4801180)
## Narrative

Employee ruptured a tendon in his right shoulder while using a wrench to loosen a plug in the differential of a CAT 834 RTD.

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