Commonwealth legislation

AD/BAe 146/73 Amdt 1 - MLG Door Lock and MLG Uplock

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

4/10 complexity

This airworthiness directive orders operators of all BAe 146 and Avro 146‑RJ aircraft to carry out the corrective actions set out in British Aerospace Regional Aircraft Service Bulletin 32‑150‑70656A Revision 1 to address cracked or fractured roller assemblies in the main landing gear (MLG) door lock and uplock. The manufacturer found the cracks were initiated during manufacture and the bulletin uses a different assembly process; operators must follow the Requirement document and will bear inspection and repair costs, with little administrative discretion.

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Current sections

Direct links to the current provisions in AD/BAe 146/73 Amdt 1 - MLG Door Lock and MLG Uplock.

British Aerospace BAe 146 Series Aeropla

British Aerospace BAe 146 Series Aeroplanes

AD/BAe 146/73 Amdt 1	MLG Door Lock and MLG Uplock	11/2005

Applicability:	All BAe 146 Series and Avro 146-RJ Series aircraft.
Requirement:	Action in accordance with British Aerospace Regional Aircraft Service Bulletin32-150-70656A Revision 1.Note: UK CAA AD 005-12-98 refers.
Compliance:	As specified in the Requirement document.
	This Amendment becomes effective on 27 October 2005.
Background:	The manufacturer received a report of the roller assembly fitted to the main landing gear door lock breaking into segments. A roller assembly of the same type is fitted in the main landing gear uplock and cracks have been reported. Dowty Hydraulics have established that the cracks were initiated during manufacture. The modified rollers use a different manufacturing assembly process.Amendment 1 is issued to introduce the current issue of the Requirement document, and reference the related UK CAA AD.

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David Villiers
Delegate of the Civil Aviation Safety Authority

15 September 2005

AD/BAe 146/73 Amdt 1

MLG Door Lock and MLG Uplock

11/2005

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 146/73 Amdt 1	MLG Door Lock and MLG Uplock	11/2005

Applicability:	All BAe 146 Series and Avro 146-RJ Series aircraft.
Requirement:	Action in accordance with British Aerospace Regional Aircraft Service Bulletin32-150-70656A Revision 1.Note: UK CAA AD 005-12-98 refers.
Compliance:	As specified in the Requirement document.
	This Amendment becomes effective on 27 October 2005.
Background:	The manufacturer received a report of the roller assembly fitted to the main landing gear door lock breaking into segments. A roller assembly of the same type is fitted in the main landing gear uplock and cracks have been reported. Dowty Hydraulics have established that the cracks were initiated during manufacture. The modified rollers use a different manufacturing assembly process.Amendment 1 is issued to introduce the current issue of the Requirement document, and reference the related UK CAA AD.

AD/BAe 146/73 Amdt 1 - MLG Door Lock and MLG Uplock

Plain English Summary

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Current sections

British Aerospace BAe 146 Series Aeroplanes

British Aerospace BAe 146 Series Aeroplanes