# SLIP OR FALL OF PERSON
> MSHA accident `220171170009` · 04/22/2017 · Hanson Aggregates Davon, LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** ANKLE
- **Days lost:** 6
- **Mine experience:** 12 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Hanson Aggregates Davon, LLC
- **Mine:** [3304362](https://api.ai-analytics.org/mine/3304362)
## Narrative

A Master Mechanic was servicing a D8 Dozer on the morning of 4/22/17.  As the Master Mechanic stepped down from the tracks to the blade bar,  right foot slipped on mud that accumulated on the bar, causing left foot to twist inward.

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