# Airworthiness Directives; Bombardier, Inc. Airplanes
> **Rule** · Final rule. · Published 2014-03-05 · Effective 2014-04-09 · 79 FR 12366
## Document
- **Document number:** 2014-02516
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 79 FR 12366
- **Publication date:** 2014-03-05
- **Effective date:** 2014-04-09
- **FAA docket:** Docket No. FAA-2012-1226
## Abstract

We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model DHC-8-400 series airplanes. This AD was prompted by a report of a translating door handle jamming during opening of an aft door. This AD requires replacing the handle shaft with a new single-piece machined handle shaft on the aft entry and service doors, and requires revising the maintenance program by incorporating a new airworthiness limitation task. We are issuing this AD to prevent a migrated pin from jamming a translating door handle, which could prevent opening of the door and impede an emergency evacuation.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2014/03/05/2014-02516/airworthiness-directives-bombardier-inc-airplanes)
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