# Fractures at Mauser USA, LLC
> OSHA SIR `20241110491` · 11/11/2024 · ADDISON, ILLINOIS
## Severity
- **1 hospitalization**
- **Body part:** Arm(s)  unspecified
- **Nature of injury:** Fractures
## Cause
- **Event:** Struck by running powered equipment  during maintenance, cleaning, testing
- **Source:** Machinery  unspecified
- **Secondary source:** Secondary source not applicable
## Employer
- **Name:** Mauser USA, LLC
- **Location:** 1350 Fullerton AV, ADDISON, ILLINOIS, 60101
- **NAICS:** 332439
- **Jurisdiction:** 1
## Narrative

An employee was changing the cooling nozzles on an aftercooler and the pneumatic power was activated. This caused the top plate to move into the top position and crush the employee's right arm. The employee sustained a fractured arm.

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*Source: [OSHA Severe Injury Reports](https://www.osha.gov/severe-injury-reports) · MORVS · CC0 1.0*