Document ID: chunk:federal_register_of_legislation:F2006B09909:body:0:p2
Version: federal_register_of_legislation:F2006B09909
Segment Type: other
Provision Reference: 
Character Range: 2793–5521

by the previous issue of this Directive, whichever occurs first, and thereafter at intervals not to exceed 12 calendar mont hs; until compliance with Requirement 4.

3.        Within the next 6 months after 31 October 2002 or at the expiry of the 12 calendar months interval as required by the previous issue of this Directive, whichever occurs first, and thereafter at intervals not to exceed 6 calendar months; until compliance with Requirement 4.

4.        Within the next 24 calendar months after 31 October 2002 or 15 years time- since-new of the aircraft, whichever occurs first.

           This Amendment becomes effective on 31 October 2002.

           Background: The RLD received an operator's report of an incident where, after landing, the elevator control was found to be binding in the fully "up" position. Subsequent investigation revealed that an attachment screw had come loose, moving out of the elevator leading edge section against the horizontal stabiliser. This condition could lead to further incidents of elevator binding, possibly resulting in loss of control.

           Amendment 1 expanded the AD inspection to include attachment screws of the rudder and aileron leading edges.

           Amendment 2 expanded the compliance requirements for the rudder leading edge attachment screws; as a result of a recent evaluation which concluded that the rudder is of less airworthiness concern than originally envisaged, and the requirement for rudder removal to accomplish the task.

           Amendment 3 required modification action by installing additional locking devices; which terminates the on- going repetitive check requirements.

           Amendment 4 is issued in response to a new issue of the related CAA-NL AD which reduces the intervals for inspection and re-tightening of the flight control surfaces leading edge attachment screws, as well as introduce a new limit for compliance with the required modification. The AD was prompted by an operator report of in- flight vibration and subsequent finding of a loose elevator leading edge section that had been inspected 7 months previously.

           Amendment 3 of this Airworthiness Directive became effective on 22 March 2001.

           Amendment 2 of this Airworthiness Directive became effective on 30 December 1999.

           Amendment 1 of this Airworthiness Directive became effective on 12 August 1999.

           The original issue of this Airworthiness Directive became effective on 10 September 1999.

 David Charles Punshon
 Delegate of the Civil Aviation Safety Authority 19 September 2002

 The above AD is notified in the Commonwealth of Australia Gazette on 9 October 2002.