Commonwealth legislation

AD/B747/291 - Nose Wheel Well Panel Rivets

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Commonwealth

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legislative instrument

Plain English Summary

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This Airworthiness Directive requires operators of Boeing 747-400 and 747-400F aircraft (line numbers 1141–1183) to inspect rivets in the forward, top and side panels of the nose wheel well and carry out corrective (terminating) repairs following the technical requirements of FAA AD 2003-10-09 and Boeing Alert Service Bulletin 747-53A2472. It matters because incorrect rivet heat treatment can cause rivet failure, weakening panels and risking rapid depressurisation, so affected operators must meet the mandated inspection and repair schedule (effective 7 August 2003).

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AIRWORTHINESS DIRECTIVE

View image in the official source

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

Boeing 747 Series Aeroplanes

AD/B747/291 Nose Wheel Well Panel Rivets

AD/B747/291 Nose Wheel Well Panel Rivets 8/2003

Applicability: Model 747-400 and -400F series aircraft, line numbers 1141 through 1183. Requirement: Action in accordance with the technical requirements of FAA AD 2003-10-09 Amdt

39-13154.

Note: Boeing Alert Service Bulletin 747-53A2472, including Appendix A refers.

Compliance: As specified in the Requirement document, with a revised effective date of 7 August 2003.

This Airworthiness Directive becomes effective on 7 August 2003.

Background: The FAA requires inspection of the rivets in the forward, top, and side panels of the nose wheel well for discrepancies; and eventual terminating action. Discrepancies of rivets in the nose wheel well panels due to incorrect heat treatment, could result in failure of the rivets and consequent reduced structural integrity of the panels, and possible rapid depressurisation of the aircraft.

Signature of David Punshon, Delegate of the Civil Aviation Safety Authority.

David Punshon

Delegate of the Civil Aviation Safety Authority 27 June 2003

View image in the official source

The above AD is notified in the Commonwealth of Australia Gazette on 16 July 2003.

Source text

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

AIRWORTHINESS DIRECTIVE AIRWORTHINESS DIRECTIVE

AIRWORTHINESS DIRECTIVE

Boeing 747 Series Aeroplanes

AD/B747/291 Nose Wheel Well Panel Rivets AD/B747/291 Nose Wheel Well Panel Rivets 8/2003

AD/B747/291 Nose Wheel Well Panel Rivets 8/2003

Applicability: Model 747-400 and -400F series aircraft, line numbers 1141 through 1183. Requirement: Action in accordance with the technical requirements of FAA AD 2003-10-09 Amdt

39-13154.

Note: Boeing Alert Service Bulletin 747-53A2472, including Appendix A refers.

Compliance: As specified in the Requirement document, with a revised effective date of 7 August 2003.

This Airworthiness Directive becomes effective on 7 August 2003.

David Punshon

Delegate of the Civil Aviation Safety Authority 27 June 2003

The above AD is notified in the Commonwealth of Australia Gazette on 16 July 2003.