# Fractures at U.S. Postal Service
> OSHA SIR `20181213220` · 12/27/2018 · LOS ANGELES, CALIFORNIA
## Severity
- **1 hospitalization**
- **Body part:** Upper arm(s)
- **Nature of injury:** Fractures
## Cause
- **Event:** Fall on same level due to tripping over an object
- **Source:** Street, road, driveway, unspecified
- **Secondary source:** Dimensional lumber: 2x4, 2x3, etc.
## Employer
- **Name:** U.S. Postal Service
- **Location:** 1146 N Mariposa Avenue, LOS ANGELES, CALIFORNIA, 90029
- **NAICS:** 491110
- **Jurisdiction:** 0
## Narrative

A mail carrier tripped on a 2x4 in a driveway and fell, breaking his upper arm.

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