Commonwealth legislation

AD/B747/143 Amdt 1 - Fuselage Section 41 Skin Stringer Joints

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Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This airworthiness directive requires operators of specified Boeing 747 models (line numbers 001–430) to follow the technical inspection and repair actions in FAA AD 2006-24-02 to detect and fix skin cracks at skin–stringer fastener locations that can cause depressurisation (Applicability; Requirement; Background). Operators must perform additional inspections for areas that may have Alodine‑coated rivets; the Civil Aviation Safety Authority issued Amendment 1 and set the effective date as 15 February 2007 (Background; Compliance; Effective date).

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Current sections

Direct links to the current provisions in AD/B747/143 Amdt 1 - Fuselage Section 41 Skin Stringer Joints.

Boeing 747 Series Aeroplanes

AD/B747/143 Amdt 1	Fuselage Section 41 Skin Stringer Joints	2/2007

Applicability:	Model 747-100, -100B, -200B, -200C, -200F, 747SR, and 747SP series aircraft; line numbers 001 through 430.
Requirement:	Action in accordance with the technical requirements of FAA AD 2006-24-02 Amdt 39-14831.
Compliance:	As specified in the Requirement document, with a revised effective date of15 February 2007.
	This Amendment becomes effective on 15 February 2007.
Background:	A number of operators reported skin cracks at skin-stringer fastener locations. Some cracks were up to 0.5" long. Skin cracks that reach critical length can cause an in flight de-pressurization.Amendment 1 is issued in response to a new FAA AD, which requires an additional inspection of areas that may have Alodine-coated rivets installed. The FAA received a report of cracking that was detected in a skin lap joint previously inspected using the eddy current method.

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David Villiers
Delegate of the Civil Aviation Safety Authority

3 January 2007

AD/B747/143 Amdt 1

Fuselage Section 41 Skin Stringer Joints

2/2007

Source text

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

Boeing 747 Series Aeroplanes Boeing 747 Series Aeroplanes

Boeing 747 Series Aeroplanes

AD/B747/143 Amdt 1	Fuselage Section 41 Skin Stringer Joints	2/2007

Applicability:	Model 747-100, -100B, -200B, -200C, -200F, 747SR, and 747SP series aircraft; line numbers 001 through 430.
Requirement:	Action in accordance with the technical requirements of FAA AD 2006-24-02 Amdt 39-14831.
Compliance:	As specified in the Requirement document, with a revised effective date of15 February 2007.
	This Amendment becomes effective on 15 February 2007.
Background:	A number of operators reported skin cracks at skin-stringer fastener locations. Some cracks were up to 0.5" long. Skin cracks that reach critical length can cause an in flight de-pressurization.Amendment 1 is issued in response to a new FAA AD, which requires an additional inspection of areas that may have Alodine-coated rivets installed. The FAA received a report of cracking that was detected in a skin lap joint previously inspected using the eddy current method.

David Villiers
Delegate of the Civil Aviation Safety Authority

3 January 2007

AD/B747/143 Amdt 1 - Fuselage Section 41 Skin Stringer Joints

Plain English Summary

Deep dive

Current sections

Boeing 747 Series Aeroplanes

Boeing 747 Series Aeroplanes

AD/B747/143 Amdt 1

AD/B747/143 Amdt 1

Fuselage Section 41 Skin Stringer Joints

Fuselage Section 41 Skin Stringer Joints

2/2007

2/2007

Source text

Boeing 747 Series Aeroplanes Boeing 747 Series Aeroplanes

Boeing 747 Series Aeroplanes

AD/B747/143 Amdt 1 AD/B747/143 Amdt 1

AD/B747/143 Amdt 1

Fuselage Section 41 Skin Stringer Joints Fuselage Section 41 Skin Stringer Joints

Fuselage Section 41 Skin Stringer Joints

2/2007 2/2007

2/2007