# Airworthiness Directives; Saab Model SAAB SF340A and SAAB 340B Series Airplanes
> **Rule** · Final rule. · Published 2004-05-11 · Effective 2004-06-15 · 69 FR 26000
## Document
- **Document number:** 04-10373
- **Category:** airworthiness
- **Manufacturer:** Saab Model SAAB SF340A and SAAB 340B Series
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 69 FR 26000
- **Publication date:** 2004-05-11
- **Effective date:** 2004-06-15
- **FAA docket:** Docket No. 2002-NM-146-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to certain Saab Model SAAB SF340A and SAAB 340B series airplanes, that requires removing the two direct current (DC) over- voltage/feeder-fault test switches from the Test 2 Panel of the generator control unit, and follow-on actions. This action is necessary to prevent loss of the DC generators, which could result in the loss of normal electrical power to the airplane and increased pilot workload. This action is intended to address the identified unsafe condition.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/05/11/04-10373/airworthiness-directives-saab-model-saab-sf340a-and-saab-340b-series-airplanes)
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