# Airworthiness Directives; Raytheon Model Beech 400A and 400T Series Airplanes
> **Rule** · Final rule. · Published 2004-02-18 · Effective 2004-03-24 · 69 FR 7555
## Document
- **Document number:** 04-3203
- **Category:** airworthiness
- **Manufacturer:** Raytheon Model Beech 400A and 400T Series
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 69 FR 7555
- **Publication date:** 2004-02-18
- **Effective date:** 2004-03-24
- **FAA docket:** Docket No. 2002-NM-225-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to certain Raytheon Model Beech 400A and 400T series airplanes, that requires an inspection to determine the part number of the A194 roll trim printed circuit board (PCB), and replacement of certain PCBs with improved parts. This action is necessary to prevent intermittent sticking of the relays on the PCB in either the open or closed position, which could result in an out-of-trim condition that could require using considerable control wheel force to keep the wings level, and consequent reduced controllability of the airplane. This action is intended to address the identified unsafe condition.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/02/18/04-3203/airworthiness-directives-raytheon-model-beech-400a-and-400t-series-airplanes)
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