# MACHINERY
> MSHA accident `220092320040` · 08/05/2009 · National Coal Corporation
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Inserting bolt
- **Injury source:** UNDERGRD MINING MACHINES
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** LOWER EXTREMITIES, MULTIPLE PARTS
- **Days lost:** 11
- **Mine experience:** 0.15 years
## Operator
- **Controller:** National Coal Corporation
- **Operator:** National Coal Corporation
- **Mine:** [4003272](https://api.ai-analytics.org/mine/4003272)
## Narrative

Roof bolt operator was letting head of machine down and his right knee slipped underneath causing energy to his right thigh & right knee.

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