# MACHINERY
> MSHA accident `220031150001` · 04/05/2003 · Martin Marietta Aggregates
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by flying object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** —
- **Mine experience:** 0.57 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Aggregates
- **Mine:** [3100065](https://api.ai-analytics.org/mine/3100065)
## Narrative

THE 2 WITNESSES WERE REPLACING TRACKS ON EXCAVATOR. THE INJURED EE WAS STANDING 10-15'AWAY & RECEIVED A SMALL PUNCTURE WOUND WITH EMBEDDED METAL TO HIS RT. LEFT SHOULDER WHEN THE DRIVE SPROCKE T SLIPPED AGAINST THE TRACK BAR CAUSING METAL FRAGMENT TO FLY OFF AND STRIKE HIM.

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