# Airworthiness Directives; Bombardier Model DHC-8-102, DHC-8-103, DHC-8-106, DHC-8-201, DHC-8-202, DHC-8-301, DHC-8-311, and DHC-8-315 Airplanes Equipped With a Cockpit Door Electronic Strike System Installed in Accordance With Supplemental Type Certificate (STC) ST02014NY
> **Rule** · Final rule; request for comments. · Published 2009-04-07 · Effective 2009-04-13 · 74 FR 15665
## Document
- **Document number:** E9-7781
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 74 FR 15665
- **Publication date:** 2009-04-07
- **Effective date:** 2009-04-13
- **FAA docket:** Docket No. FAA-2009-0313
## Abstract

This document publishes in the Federal Register an amendment adopting airworthiness directive (AD) 2008-26-03. This AD requires modifying the electronic strike system of the cockpit door. This AD results from a report indicating that the equipment is defective. We are issuing this AD to prevent failure of this equipment, which could compromise flight safety.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/04/07/E9-7781/airworthiness-directives-bombardier-model-dhc-8-102-dhc-8-103-dhc-8-106-dhc-8-201-dhc-8-202)
---
*AI Analytics · CC0 1.0*