# MACHINERY
> MSHA accident `220171770028` · 06/21/2017 · Preferred Proppants LLC.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Miner, Prospector, NEC
- **Activity:** Surface equipment, NEC
- **Injury source:** MACHINE,NEC-WELDR,OFC MAC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 0.21 years
## Operator
- **Controller:** Preferred Intermediate Holding Company, LLC
- **Operator:** Preferred Proppants LLC.
- **Mine:** [2501243](https://api.ai-analytics.org/mine/2501243)
## Narrative

Employee was operating an industrial vacuum to clear out dirt from around a pipe that needed repaired. As employee was using the machine, EE  got the end of the suction line too close to the ground causing it to abruptly suck down to the ground.  This abrupt movement caused the employee to be jerked down too.  Employee strained lower back as a result.

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