# Closed trauma involving internal organs, major blood vessels at APi HVAC Services
> OSHA SIR `2025054385` · 5/9/2025 · OAK CREEK, WISCONSIN
## Severity
- **1 hospitalization**
- **Body part:** Multiple internal chest locations
- **Nature of injury:** Closed trauma involving internal organs, major blood vessels
## Cause
- **Event:** Other fall to lower level  less than 6 feet
- **Source:** Other semi, tractor-trailer
- **Secondary source:** Other constructed surface
## Employer
- **Name:** APi HVAC Services
- **Location:** 1010 West Anderson Court, OAK CREEK, WISCONSIN, 53154
- **NAICS:** 238220
- **Jurisdiction:** 1
## Narrative

An employee was standing on top of a flatbed semi trailer, preparing to load a roof curb piece. The employee fell off the side to the asphalt ground, suffering broken ribs and a punctured lung.

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