# Puncture wounds, except gunshot wounds at Southwest Mechanical
> OSHA SIR `2020076497` · 7/11/2020 · SHOREWOOD, ILLINOIS
## Severity
- **1 hospitalization**
- **Body part:** Leg(s), unspecified
- **Nature of injury:** Puncture wounds, except gunshot wounds
## Cause
- **Event:** Explosion, unspecified
- **Source:** Air conditioning units
## Employer
- **Name:** Southwest Mechanical
- **Location:** 726 Cottage Street, SHOREWOOD, ILLINOIS, 60404
- **NAICS:** 238220
- **Jurisdiction:** 1
## Narrative

An employee was troubleshooting an air conditioner. The discharge line exploded, and a piece of the copper line went into the employee's leg.

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