# MACHINERY
> MSHA accident `220020730013` · 03/05/2002 · Aracoma Coal Company, LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by flying object
- **Occupation:** Longwall operator, Chock operator, Shear operator, Plow operator
- **Activity:** Longwall, Shear, Plow
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 50
- **Mine experience:** 0.38 years
## Operator
- **Controller:** Massey Energy Company
- **Operator:** Aracoma Coal Company, LLC
- **Mine:** [4608801](https://api.ai-analytics.org/mine/4608801)
## Narrative

EE SHEARER OPERATOR WAS WASHING THE SHEAR WHILE IT WAS TRAMMING 25 FEET PER MINUTE WHEN A PIECE OF ROCK APPROX. 18"" ROUND X 6"" THICK FLEW FROM THE SHEAR TAIL DRUM STRIKING HIS RIGHT KNEE. EE W AS DIAGNOSED WITH A HYPEREXTENSION TO THE RIGHT KNEE.

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