# Intracranial injuries, unspecified at Keystone Synergy LLC
> OSHA SIR `2016087844` · 8/21/2016 · DALLAS, TEXAS
## Severity
- **1 hospitalization**
- **Body part:** Brain
- **Nature of injury:** Intracranial injuries, unspecified
## Cause
- **Event:** Other fall to lower level 16 to 20 feet
- **Source:** Aerial lifts, scissor lifts-except truck-mounted
- **Secondary source:** Nails, brads, tacks, nuts, bolts, washers
## Employer
- **Name:** Keystone Synergy LLC
- **Location:** 1530 Inspirator Dr, DALLAS, TEXAS, 75207
- **NAICS:** 238120
- **Jurisdiction:** 1
## Narrative

An employee was on an extended scissor lift tightening a bolt when the bolt broke and threw him between the top rail and the chain of the scissor lift. He fell 20 feet to the concrete below resulting in a head injury.

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