# Airworthiness Directives; Raytheon (Beech) Model 400A and 400T Series Airplanes
> **Rule** · Final rule. · Published 2000-03-08 · Effective 2000-04-12 · 65 FR 12082
## Document
- **Document number:** 00-5328
- **Category:** airworthiness
- **Manufacturer:** Raytheon (Beech) Model 400A and 400T Series
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 65 FR 12082
- **Publication date:** 2000-03-08
- **Effective date:** 2000-04-12
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to certain Raytheon (Beech) Model 400A and 400T series airplanes, that requires a one-time inspection to detect incorrect wiring of the engine fire extinguisher bottle squibs, and corrective action, if necessary. It also requires a modification to the wiring and the addition of wire harness and bottle labeling for future reference. This amendment is prompted by reports of incorrect wiring of the engine fire extinguisher bottle squibs. The actions specified by this AD are intended to prevent failure of the engine fire extinguisher bottle to discharge, or discharge of the wrong engine fire extinguisher bottle.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/03/08/00-5328/airworthiness-directives-raytheon-beech-model-400a-and-400t-series-airplanes)
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