# Airworthiness Directives; Short Brothers Model SD3 Series Airplanes
> **Rule** · Final rule. · Published 2004-08-10 · Effective 2004-09-14 · 69 FR 48366
## Document
- **Document number:** 04-17757
- **Category:** airworthiness
- **Manufacturer:** Short Brothers Model SD3 Series
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 69 FR 48366
- **Publication date:** 2004-08-10
- **Effective date:** 2004-09-14
- **FAA docket:** Docket No. 2002-NM-209-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to all Short Brothers Model SD3 series airplanes, that requires installing a new warning annunciator light on the central warning panel and revising the Normal Procedures Section of the Aircraft Flight Manual to provide the flightcrew with procedures related to the new light. This action is necessary to prevent an engine shut-down in icing conditions, which could result in loss of control of the airplane and consequent injury to flightcrew and passengers. This action is intended to address the identified unsafe condition.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/08/10/04-17757/airworthiness-directives-short-brothers-model-sd3-series-airplanes)
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