# Airworthiness Directives; Raytheon Aircraft Company, Model 390, Premier 1 Airplanes
> **Rule** · Final rule. · Published 2004-12-16 · Effective 2005-01-18 · 69 FR 75223
## Document
- **Document number:** 04-27195
- **Category:** airworthiness
- **Manufacturer:** Raytheon
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 69 FR 75223
- **Publication date:** 2004-12-16
- **Effective date:** 2005-01-18
- **FAA docket:** Docket No. FAA 2004-19119
## Abstract

The FAA adopts a new airworthiness directive (AD) for certain Raytheon Aircraft Company, Model 390, Premier 1 airplanes. This AD requires you to inspect the routing and security of the left and right main landing gear (MLG) squat switch wire harness installations for damage, repair any damage or replace components, and reinstall the squat switch wire harness. We are issuing this AD to prevent damage to the wire harnesses, which could result in loss of pressurization, loss of transponder responses to interrogations, and failure of other systems utilizing air/ground status signals. This failure could lead to loss of control of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/12/16/04-27195/airworthiness-directives-raytheon-aircraft-company-model-390-premier-1-airplanes)
---
*AI Analytics · CC0 1.0*