# MACHINERY
> MSHA accident `220050550028` · 02/17/2005 · Mason Mining, LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Roof bolter, Inserting bolt
- **Injury source:** DRILL STEEL (ALL SIZES)
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** KNEE/PATELLA
- **Days lost:** 316
- **Mine experience:** 0.08 years
## Operator
- **Controller:** Ronnie G  Cornett
- **Operator:** Mason Mining, LLC
- **Mine:** [4608523](https://api.ai-analytics.org/mine/4608523)
## Narrative

EE was running the roof bolter on 1 west section in #1 hog lost open break. while installing roof bolt he was lowering drill pot and had his leg under drill port and let drill pot down on his left knee twisted leg a little.

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