# MACHINERY
> MSHA accident `220010850144` · 03/20/2001 · Martin Marietta Aggregates
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** CHAIN,ROPE,CABLE-NT CONVY
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** LOWER LEG/TIBIA/FIBULA
- **Days lost:** 132
- **Mine experience:** 26.23 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Aggregates
- **Mine:** [0900075](https://api.ai-analytics.org/mine/0900075)
## Narrative

EE WAS ASSISTING OTHERS TRYING TO PUT A TRACK BACK ON A SMALL EXCAVATOR. A CHAIN HAD BEEN ATTACHED TO THE TRACK TO APPLY TENSION AS THE TRACK TURNED, IN AN ATTEMPT TO GET IT OVER THE SPROCKET. THE CHAIN CAME LOOSE AND WHIPPED BACK, STRIKING THE EMPLOYEE IN THE LEG.

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