Commonwealth legislation

AD/BN-2/78 - Control Rod to Elevator Trim Tab Lever Bolt Retainer

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This Airworthiness Directive requires operators of Pilatus Britten‑Norman Islander aircraft (BN2, BN2A, BN2B, BN2T) to inspect and, if necessary, correct the installation of the control‑rod to elevator‑trim‑tab lever bolt retainer in accordance with B‑N Group Mandatory Service Bulletin SB 292 (1 May 2003). Checks must be made at the next daily inspection after 4 June 2003 and whenever the affected control rod is disconnected. The aim is to prevent bolt separation where retainer NB‑03‑5229 may have been fitted incorrectly.

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AD/BN-2/78 - Control Rod to Elevator Trim Tab Lever Bolt Retainer

COMMONWEALTH OF AUSTRALIA (Civil Aviation Safety Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source

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.

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Pilatus Britten-Norman BN-2 Series Aeroplanes

AD/BN-2/78 Control Rod to Elevator Trim Tab Lever B olt

Retainer

7/2003

Applicability: All BN2, BN2A, BN2B, and BN2T series Islander aircraft.

Requirement: Action in accordance with B-N Group Mandatory Service Bulletin SB 292, dated 1 May 2003.

Compliance: At the next daily check after 4 June 2003, and thereafter at any time the affected control rod is disconnected.

This Airworthiness Directive becomes effective on 4 June 2003.

Background: The manufacturer has determined that the retainer NB-03-5229, installed at the connection of the drive rod elevator trim tab lever may have been installed incorrectly, where the retainer is installed under the bolt head and not on the inner face of the drive lever. If the retainer is installed in this way it will not prevent the bolt from disconnecting.

View image in the official source

David Villiers

Delegate of the Civil Aviation Safety Authority 29 May 2003

View image in the official source

The above AD is notified in the Commonwealth of Australia Gazette on 4 June 2003.

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Source text

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

1 AD/BN-2/78 - Control Rod to Elevator Trim Tab Lever Bolt Retainer

COMMONWEALTH OF AUSTRALIA (Civil Aviation Safety Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

AIRWORTHINESS DIRECTIVE

Pilatus Britten-Norman BN-2 Series Aeroplanes

AD/BN-2/78 Control Rod to Elevator Trim Tab Lever B olt

Retainer

7/2003

Applicability: All BN2, BN2A, BN2B, and BN2T series Islander aircraft.

Requirement: Action in accordance with B-N Group Mandatory Service Bulletin SB 292, dated 1 May 2003.

Compliance: At the next daily check after 4 June 2003, and thereafter at any time the affected control rod is disconnected.

This Airworthiness Directive becomes effective on 4 June 2003.

David Villiers

Delegate of the Civil Aviation Safety Authority 29 May 2003

The above AD is notified in the Commonwealth of Australia Gazette on 4 June 2003.

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