# SLIP OR FALL OF PERSON
> MSHA accident `220052550012` · 08/29/2005 · Martin Marietta Materials Southwest Ltd
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall onto or against objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** MACHINE-MILL,CLEANING PLT
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** ANKLE
- **Days lost:** 0
- **Mine experience:** 5.04 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials Southwest Ltd
- **Mine:** [4101335](https://api.ai-analytics.org/mine/4101335)
## Narrative

Troubleshooting - mobile crusher.  The employee was standing on a platform working on some hydraulic lines.  When he stepped off he slipped and fell on some dust build up, and twisted his ankle.  (Fell against hydraulic leg.)

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