Commonwealth legislation

AD/BN-2/77 Amdt 1 - Access Panel Bolts

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Commonwealth

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legislative instrument

Plain English Summary

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This Airworthiness Directive requires inspection of access-panel bolts on all Pilatus Britten‑Norman BN‑2 Islander variants per actions 6.1–6.3 of Service Bulletin SB 291 (1 May 2003), and allows replacing the listed A113‑1D bolts with any bolt approved by the Type Certificate holder. It applies to all BN2/BN2A/BN2B/BN2T/BN2T‑4R/BN2T‑4S aircraft and sets specific timing for the inspections (next daily check for action 6.1; next major maintenance for 6.2/6.3).

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AD/BN-2/77 Amdt 1 - Access Panel Bolts

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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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 revokes Airworthiness Directive (AD) AD/BN-2/77 and issues the following 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-2/77

Amdt 1

Access Panel Bolts 11/2003

Applicability: All BN2, BN2A, BN2B, BN2T, BN2T-4R, and BN2T-4S series Islander aircraft. Requirement: Inspect in accordance with action 6.1, 6.2, and 6.3 of B-N Group Mandatory Service

Bulletin SB 291, dated 1 May 2003.

An appropriate bolt approved by Type Certificate holder may replace the A113-1D bolts listed in Service Bulletin SB 291 dated 1 May 2003.

Compliance: For action 6.1: At the next daily check after 4 June 2003, unless already accomplished.

For action 6.2 and 6.3: At the latest by the next major maintenance inspection. This Amendment becomes effective on 30 October 2003.

Background: The manufacturer received a report of an aileron travel restriction due to incorrect length bolts installed in left and right access panels at W.STA 181.68, adjacent to the aileron bellcrank levers.

This amendment approves the use of alternative bolts approved by the Type Certificate holder to replace the A113-1D bolts listed in the Service Bulletin.

The original issue of this Airworthiness Directive became effective on 4 June 2003.

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David Villiers

Delegate of the Civil Aviation Safety Authority 10 September 2003

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The above AD is notified in the Commonwealth of Australia Gazette on 8 October 2003.

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Source text

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

1 AD/BN-2/77 Amdt 1 - Access Panel Bolts

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-2/77

Amdt 1

Access Panel Bolts 11/2003

Applicability: All BN2, BN2A, BN2B, BN2T, BN2T-4R, and BN2T-4S series Islander aircraft. Requirement: Inspect in accordance with action 6.1, 6.2, and 6.3 of B-N Group Mandatory Service

Bulletin SB 291, dated 1 May 2003.

An appropriate bolt approved by Type Certificate holder may replace the A113-1D bolts listed in Service Bulletin SB 291 dated 1 May 2003.

Compliance: For action 6.1: At the next daily check after 4 June 2003, unless already accomplished.

For action 6.2 and 6.3: At the latest by the next major maintenance inspection. This Amendment becomes effective on 30 October 2003.

This amendment approves the use of alternative bolts approved by the Type Certificate holder to replace the A113-1D bolts listed in the Service Bulletin.

The original issue of this Airworthiness Directive became effective on 4 June 2003.

David Villiers

Delegate of the Civil Aviation Safety Authority 10 September 2003

The above AD is notified in the Commonwealth of Australia Gazette on 8 October 2003.

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