# MACHINERY
> MSHA accident `220021540117` · 05/16/2002 · Knott County Mining Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, NEC
- **Injury source:** UNDERGRD MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 280
- **Mine experience:** 0.03 years
## Operator
- **Controller:** Horizon Natural Resources Incorporated
- **Operator:** Knott County Mining Company
- **Mine:** [1518522](https://api.ai-analytics.org/mine/1518522)
## Narrative

EE WAS OPERATING THE OFF SIDE OF A DUAL BOOM BOLTER WHEN HE MISTAKENLY LET THE DRILL POT DOWN ON HIS LEFT KNEE. HE CONTINUED TO WORK UNTIL THE 20TH DAY OF MAY 02 BEFORE HE HAD IT CHECKED. HE H AS BEEN OFF WORK SINCE MAY 20TH.

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