# Amputations involving bone loss at Comfort Systems USA
> OSHA SIR `2024065479` · 6/20/2024 · LOUISVILLE, COLORADO
## Severity
- **1 amputation**
- **Body part:** Other finger(s)  n.e.c.
- **Nature of injury:** Amputations involving bone loss
## Cause
- **Event:** Struck by running powered equipment  during maintenance, cleaning, testing
- **Source:** Heating, cooling, cleaning, and waste handling machinery  n.e.c.
- **Secondary source:** Drives, belts, chains
## Employer
- **Name:** Comfort Systems USA
- **Location:** 867 Coal Creek Drive, LOUISVILLE, COLORADO, 80027
- **NAICS:** 238220
- **Jurisdiction:** 1
## Narrative

An employee was servicing an HVAC unit on the roof of a vacant building. As the employee manually pulled the belt and pulley system, his left middle finger was caught in the belt/pulley and a quarter inch of the finger was amputated.

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