Commonwealth legislation

AD/A109/41 - Main rotor rotating scissor assy

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Commonwealth

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legislative instrument

Plain English Summary

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This directive applies to all Agusta A109E helicopters. The CASA delegate requires operators to carry out the corrective work set out in Agusta Mandatory Service Bulletin No. 109EP-12 (dated 24 July 2000) to fix an incorrect installation of the main rotor rotating scissor lower link that has led to swashplate bolt fatigue failures. Operators must complete the mandated maintenance by 30 June 2003; operators pay for and schedule the work, while CASA enforces compliance through the airworthiness directive.

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AIRWORTHINESS DIRECTIVE

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For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (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.

View image in the official source

Agusta A109 Series Helicopters

AD/A109/41 Main Rotor Rotating Scissor A

AD/A109/41 Main Rotor Rotating Scissor Assy 6/2003

Applicability: All Model A109E helicopters.

Requirement: Action in accordance with Agusta Mandatory Service Bulletin No. 109EP-12, dated 24 July 2000.

Note: ENAC AD2000-371 refers.

Compliance: Before 30 June 2003, unless already accomplished.

This Airworthiness Directive becomes effective on 12 June 2003.

Background: Reports were received of fatigue failure of the swashplate outer ring attachment bolt.

Investigation revealed incorrect installation of the lower link of the main rotor rotating scissor assembly.

View image in the official source

David Villiers

Delegate of the Civil Aviation Safety Authority 16 April 2003

View image in the official source

The above AD is notified in the Commonwealth of Australia Gazette on 21 May 2003.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.

AIRWORTHINESS DIRECTIVE AIRWORTHINESS DIRECTIVE

AIRWORTHINESS DIRECTIVE

Agusta A109 Series Helicopters

AD/A109/41 Main Rotor Rotating Scissor A AD/A109/41 Main Rotor Rotating Scissor Assy 6/2003

AD/A109/41 Main Rotor Rotating Scissor Assy 6/2003

Applicability: All Model A109E helicopters.

Requirement: Action in accordance with Agusta Mandatory Service Bulletin No. 109EP-12, dated 24 July 2000.

Note: ENAC AD2000-371 refers.

Compliance: Before 30 June 2003, unless already accomplished.

This Airworthiness Directive becomes effective on 12 June 2003.

Background: Reports were received of fatigue failure of the swashplate outer ring attachment bolt.

Investigation revealed incorrect installation of the lower link of the main rotor rotating scissor assembly.

David Villiers

Delegate of the Civil Aviation Safety Authority 16 April 2003

The above AD is notified in the Commonwealth of Australia Gazette on 21 May 2003.