# Airworthiness Directives; Twin Commander Aircraft Corporation Models 690D, 695A, and 695B Airplanes
> **Rule** · Final rule. · Published 2003-04-03 · Effective 2003-05-16 · 68 FR 16192
## Document
- **Document number:** 03-7745
- **Category:** airworthiness
- **Manufacturer:** Twin Commander
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 68 FR 16192
- **Publication date:** 2003-04-03
- **Effective date:** 2003-05-16
- **FAA docket:** Docket No. 2000-CE-56-AD
## Abstract

This amendment adopts a new airworthiness directive (AD) that applies to certain Twin Commander Aircraft Corporation (TCAC) Models 690D, 695A, and 695B airplanes. This AD requires you to initially inspect and modify and repetitively inspect areas of the wing and fuselage structure for fatigue damage and modify or replace any damaged parts. This AD is the result of tests that show that the service life of certain airplane parts cannot be reached unless an inspection and modification program (with any necessary replacements or modifications if fatigue damage is found) is incorporated. The actions specified by this AD are intended to detect and correct fatigue damage in the wing and fuselage areas without reducing the service life of the airplane. Such undetected and uncorrected damage could result in structural failure with consequent loss of control of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/04/03/03-7745/airworthiness-directives-twin-commander-aircraft-corporation-models-690d-695a-and-695b-airplanes)
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