AD/Cessna 750/6 Roll Feel and Centering Bungee Assembly Replacement (Cth)

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AIRWORTHINESS DIRECTIVE

For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.001(1) of CASR 1998.  The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

Cessna 750 (Citation X) Series Aeroplanes

AD/CESSNA 750/6 Roll Feel and Centering
Bungee Assembly - Replacement
4/2010

Applicability:

Model 750 aeroplanes with serial numbers -0001 to -0053 inclusive.

Requirement:

In accordance with the technical requirements of FAA AD 98-05-02 Amendment
39-10364 replace roll feel and centering bungee assembly with improved bungee assembly in accordance with Cessna Citation Service Bulletin 750-27-10 dated
16 January 1998, including Supplemental Data to Service Bulletin 750-27-10 dated 16 January 1998.

Compliance:

Unless already accomplished in accordance with the Requirement documents, prior to issue of a Certificate of Airworthiness, or within 100 hours TIS from the effective date of this AD.

This Airworthiness Directive becomes effective on 2 March 2010.

Background:

The FAA AD was prompted by reports of partial to full jamming of the aileron control circuit during flight.  The action specified in the AD is intended to prevent the possibility of accumulation of ice on the aileron feel cartridge assembly shaft causing jamming of the aileron circuit and consequent reduced controllability of the aeroplane.

Mike Higgins
Delegate of the Civil Aviation Safety Authority

24 February 2010

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