AD/HU 369/85 Amdt 1 - Main Rotor Blade Root Replacement

Administered by Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts

Legislation au F2006B10750 Not in force Legislative Instrument

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


McDonnell Douglas (Hughes) and Kawasaki 369 Series Helicopters

 

AD/HU 369/85

Amdt 1


Main Rotor Blade Root Replacement 4/93

DM

 

Applicability: All 369D, 369E, and 369F/FF series helicopters equipped with 369D21100-515 or 369D21102-501 Series main rotor blades.

 

Requirement: Action in accordance with MDHC SIN DN-183.2, EN-75.2 and FN62.2. Compliance:               Part I:              Deleted - compliance with AD/HU 369/41 Amdt. 7 fulfils this requirement.

Part II: Within 600 hours time in service after 04 October 1992 but not later than 30 September 1993.

 

Background: Undetected cracking of any of the main rotor blades root fittings lugs may lead to blade separation. At Amendment 1 the manufacturer has deleted the blade removal for inspection requirement, and removed the repetitive inspection to SBs DN-51.6, EN-42.4 and FN-31.4; (AD/HU 369/41 Amdt 7 refers).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.