Commonwealth legislation

AD/BAe 146/105 Amdt 1 - APU - Air Inlet Duct - Modification

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Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This safety directive requires BAe 146 and Avro‑RJ aircraft to have the APU air inlet duct modified per BAE Systems Service Bulletin 49‑036‑36019E Rev 5 (27 July 2004). Operators must complete the work at the next scheduled APU removal or at the next aircraft C‑Check, whichever occurs first, incurring associated labour and parts costs (Compliance). Rev 5 adds replacement of the bellows attachment hardware; the modification improves the seal at the aircraft–APU interface to reduce oil ingestion into cabin air (Background).

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Current sections

Direct links to the current provisions in AD/BAe 146/105 Amdt 1 - APU - Air Inlet Duct - Modification.

British Aerospace BAe 146 Series Aeropla

British Aerospace BAe 146 Series Aeroplanes

AD/BAe 146/105 Amdt 1	APU - Air Inlet Duct - Modification	4/2005

Applicability:	BAe 146 and AVRO -RJ series aeroplanes as identified in the requirement document.
Requirement:	Carry out modification per BAE Systems SB. 49-036-36019E, Rev 5, Dated 27 July 2004.Note 1: This service bulletin has been classified as mandatory by UK-CAA.Note 2: Aeroplanes that are in compliance with Rev 4 of the reference document only need to complete the additional items added by Rev 5 of the reference document.
Compliance:	Unless previously accomplished, at the next scheduled APU removal or at the next aircraft C-Check whichever is earlier after the effective date of this Directive.
	This Amendment becomes effective on 14 April 2005.
Background:	Contamination of cabin air due to the ingestion of oil from the APU bay is found to occur on the affected aircraft. This modification provides an improved seal at the aircraft - APU interface to prevent this.Rev 5 of the reference document introduces replacement of the bellows attachment hardware.The original issue of this Directive became effective on 10 July 2003.

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James Coyne
Delegate of the Civil Aviation Safety Authority

2 March 2005

AD/BAe 146/105 Amdt 1

APU - Air Inlet Duct - Modification

4/2005

Source text

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

British Aerospace BAe 146 Series Aeropla British Aerospace BAe 146 Series Aeroplanes

British Aerospace BAe 146 Series Aeroplanes

AD/BAe 146/105 Amdt 1	APU - Air Inlet Duct - Modification	4/2005

Applicability:	BAe 146 and AVRO -RJ series aeroplanes as identified in the requirement document.
Requirement:	Carry out modification per BAE Systems SB. 49-036-36019E, Rev 5, Dated 27 July 2004.Note 1: This service bulletin has been classified as mandatory by UK-CAA.Note 2: Aeroplanes that are in compliance with Rev 4 of the reference document only need to complete the additional items added by Rev 5 of the reference document.
Compliance:	Unless previously accomplished, at the next scheduled APU removal or at the next aircraft C-Check whichever is earlier after the effective date of this Directive.
	This Amendment becomes effective on 14 April 2005.
Background:	Contamination of cabin air due to the ingestion of oil from the APU bay is found to occur on the affected aircraft. This modification provides an improved seal at the aircraft - APU interface to prevent this.Rev 5 of the reference document introduces replacement of the bellows attachment hardware.The original issue of this Directive became effective on 10 July 2003.

AD/BAe 146/105 Amdt 1 - APU - Air Inlet Duct - Modification

Plain English Summary

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Current sections

British Aerospace BAe 146 Series Aeroplanes

British Aerospace BAe 146 Series Aeroplanes