AD/SF340/72 - MLG Hydraulic Swivel Brackets
1AD/SF340/72 - MLG Hydraulic Swivel Brackets
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text SAAB SF340 Series Aeroplanes
AD/SF340/72 MLG Hydraulic Swivel Brackets 10/99
Applicability: Model SF340A aircraft, serial numbers 004 through 159, and Model 340B aircraft, serial numbers 160 through 339.
Requirement: Action in accordance with SAAB Aircraft AB Mandatory Service Bulletin 340-29- 009 Revision 2, dated 2 July 1999.
Note: LFV AD 1-145 refers.
Compliance: Before 2 July 2000.
This Airworthiness Directive becomes effective on 7 October 1999.
Background: A misalignment of the downlock or brake swivels in the main landing gear dragbrace and shock strut trunnions has, due to excessive loads during extension/retraction of the landing gear, resulted in abnormally high failure rate of the hydraulic swivels; and subsequent loss of hydraulic systems.