# SLIP OR FALL OF PERSON
> MSHA accident `220051780094` · 06/20/2005 · Martin Marietta Materials Inc
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall from machine
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Getting on or off equipment
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 250
- **Mine experience:** 31.81 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials Inc
- **Mine:** [3101235](https://api.ai-analytics.org/mine/3101235)
## Narrative

While climbing down from a lathe set-up process, an intermediate step was not used which caused an oversized step or fall that resulted in an abrupt and additional force to employee's knee causing hyperextension injury.

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