# Amputations at U.S. Postal Service
> OSHA SIR `2021097836` · 9/12/2021 · COLUMBUS, OHIO
## Severity
- **1 amputation**
- **Body part:** Fingertip(s)
- **Nature of injury:** Amputations
## Cause
- **Event:** Caught in running equipment or machinery during maintenance, cleaning
- **Source:** Machinery, unspecified
## Employer
- **Name:** U.S. Postal Service
- **Location:** 850 Twin Rivers Drive, COLUMBUS, OHIO, 43216
- **NAICS:** 491110
- **Jurisdiction:** 1
## Narrative

An employee was changing a belt on a machine as part of preventive maintenance. He put the machine in "Test" mode to make an adjustment to one of the sprockets. A chain caught the employee's left thumb and pulled it into a sprocket, causing an amputation of 2 cm. of the thumb.

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