# MACHINERY
> MSHA accident `220091560006` · 05/31/2009 · Stillwater Mining Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck against a moving object
- **Occupation:** Mucking machine operator
- **Activity:** Mucking machine
- **Injury source:** UNDERGRD MINING MACHINES
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** CHEST (RIBS/BREAST BONE/CHEST ORGNS)
- **Days lost:** 273
- **Mine experience:** 3.65 years
## Operator
- **Controller:** Stillwater Mining Company
- **Operator:** Stillwater Mining Company
- **Mine:** [2401879](https://api.ai-analytics.org/mine/2401879)
## Narrative

Employee was operating a mucker, as he backed up the mucker, he struck a knob of rock on the hanging wall which rolled him into the frame, causing chest/rib injury.

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