# SLIP OR FALL OF PERSON
> MSHA accident `220131720033` · 06/18/2013 · Bluestone Industries, Inc. 
## 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:** SURFACE MINING MACHINES
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 7 years
## Operator
- **Controller:** Mechel Oao
- **Operator:** Bluestone Industries, Inc. 
- **Mine:** [4609315](https://api.ai-analytics.org/mine/4609315)
## Narrative

Technician was installing hydraulic tank onto 14M motor grader in the rain, slipped and struck tail bone on ripper frame causing contusion

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