Commonwealth legislation

AD/SF340/98 - Main Landing Gear Shock Strut Uplock Axle

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legislative instrument

Plain English Summary

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This Airworthiness Directive requires operators of SAAB SF340A (s/n 004–159) and SF340B (s/n 160–459) to remove and scrap a batch of main landing‑gear shock‑strut uplock axles and to carry out work in SAAB Service Bulletin 340‑32‑132 (3 Nov 2005 or a later CAA‑approved revision). It sets an effective date (16 Feb 2006) and a compliance deadline (before 9 May 2006) after a reported cracked axle caused by hydrogen embrittlement; operators bear the cost and must follow the approved technical instructions.

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Current sections

Direct links to the current provisions in AD/SF340/98 - Main Landing Gear Shock Strut Uplock Axle.

SAAB SF340 Series Aeroplanes

AD/SF340/98	Main Landing Gear Shock Strut Uplock Axle	2/2006

Applicability:	Model SF340A aircraft, serial numbers 004 through 159.Model 340B aircraft, serial numbers 160 through 459.
Requirement:	Action in accordance with SAAB Aircraft AB Service Bulletin SAAB 340-32-132, dated 3 November 2005, or later CAA approved revision.Note: Swedish CAA AD AD 1-199 refers.
Compliance:	Before 9 May 2006.
	This Airworthiness Directive becomes effective on 16 February 2006.
Background:	A report was received of a cracked main landing gear shock strut uplock axle. The cause was determined to be hydrogen embrittlement. All uplock axles produced in the same batch are to be removed from service and scrapped.

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David Villiers
Delegate of the Civil Aviation Safety Authority

21 December 2005

AD/SF340/98

Main Landing Gear Shock Strut Uplock Axl

Main Landing Gear Shock Strut Uplock Axle

2/2006

Source text

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

SAAB SF340 Series Aeroplanes SAAB SF340 Series Aeroplanes

SAAB SF340 Series Aeroplanes

AD/SF340/98	Main Landing Gear Shock Strut Uplock Axle	2/2006

Applicability:	Model SF340A aircraft, serial numbers 004 through 159.Model 340B aircraft, serial numbers 160 through 459.
Requirement:	Action in accordance with SAAB Aircraft AB Service Bulletin SAAB 340-32-132, dated 3 November 2005, or later CAA approved revision.Note: Swedish CAA AD AD 1-199 refers.
Compliance:	Before 9 May 2006.
	This Airworthiness Directive becomes effective on 16 February 2006.
Background:	A report was received of a cracked main landing gear shock strut uplock axle. The cause was determined to be hydrogen embrittlement. All uplock axles produced in the same batch are to be removed from service and scrapped.

David Villiers
Delegate of the Civil Aviation Safety Authority

21 December 2005

AD/SF340/98 - Main Landing Gear Shock Strut Uplock Axle

Plain English Summary

Deep dive

Current sections

SAAB SF340 Series Aeroplanes

SAAB SF340 Series Aeroplanes

AD/SF340/98

AD/SF340/98

Main Landing Gear Shock Strut Uplock Axle

Main Landing Gear Shock Strut Uplock Axle

2/2006

2/2006

Source text

SAAB SF340 Series Aeroplanes SAAB SF340 Series Aeroplanes

SAAB SF340 Series Aeroplanes

AD/SF340/98 AD/SF340/98

AD/SF340/98

Main Landing Gear Shock Strut Uplock Axl Main Landing Gear Shock Strut Uplock Axle

Main Landing Gear Shock Strut Uplock Axle

2/2006 2/2006

2/2006