# MACHINERY
> MSHA accident `220061500012` · 04/21/2006 · —
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Over-exertion in lifting objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Handling supplies or material
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 25.54 years
## Operator
- **Controller:** —
- **Operator:** —
- **Mine:** [4102632](https://api.ai-analytics.org/mine/4102632)
## Narrative

Mechanic was using a 1 1/2"" impact wrench and a 4 5/8"" socket to remove 3"" rod bolts from a hoist case on D33 Dragline. As he lifted the impact up a little over head high, he felt some pain in his upper back and it was sore the next day. Chiropractic treatment started on 5/19/2006

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