# MACHINERY
> MSHA accident `220012620055` · 09/04/2001 · Martin Marietta Aggregates
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Backhoe operator, Trackhoe operator, Crane operator
- **Activity:** Surface equipment, NEC
- **Injury source:** CRANES,DERRICKS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 13
- **Mine experience:** 12.73 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Aggregates
- **Mine:** [4403751](https://api.ai-analytics.org/mine/4403751)
## Narrative

EE WAS MOUNTING A GALION RUBBER TIRE CRANE WHEN HIS RIGHT KNEE GAVE WAY. EE STATES HE HEARD IT POP.

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