{"id":"F2006B10673","name":"AD/HU 369/114 - Forward and Centre Thruster Control Cable Assemblies Connector","slug":"ad-hu-369-114-forward-and-centre-thruster-control-cable-assemblies-connector","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":116610,"registerId":"commonwealth-F2006B10673-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/HU 369/114 - Forward and Centre Thruster Control Cable Assemblies Connector","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Safety Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \n\nAIRWORTHINESS DIRECTIVE\n\n![](image.001.png)\n\nFor the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CASR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.\n\n![](image.001.png)  \n\nMcDonnell Douglas (Hughes) and Kawasaki 369 Series Helicopters\n\nAD/HU 369/114 Forward and Centre Thruster Control Cable\n\nAssemblies Connector\n\n  \n12/2004\n\nDM\n\nApplicability: Model 500N helicopters, serial numbers LN001 through LN099, and equipped with forward thrusters cable assembly part number 500N7201-55, and centre cable assembly part number 500N7201-57.\n\nModel 600N helicopters, serial numbers RN003 through RN068, and equipped with forward thrusters cable assembly part number 500N7201-55, and centre cable assembly part number 500N7201-59.\n\nRequirement: Inspect in accordance with the Accomplishment Instructions of MD Helicopters Inc.\n\nService Bulletin SB500N-027 or SB600N-042, as applicable.\n\nIf inspection results reveal corrosion pitting or cracking, before further flight, replace the affected cable assembly with a serviceable cable assembly.\n\nNote: FAA AD 2004-20-08 Amdt 39-13813 refers.\n\nCompliance: Within 10 hours time in service or 30 days after 20 October 2004, whichever occurs first.\n\nThis Airworthiness Directive becomes effective on 20 October 2004.\n\nBackground: A report was received of a fractured inner female connector on a forward thruster control cable assembly due to stress corrosion cracking. An undetected corrosion- pitted or cracked connector could result in failure of the cable assembly and subsequent loss of control of the helicopter.\n\n![](image.002.png)  \n\nDavid Villiers\n\nDelegate of the Civil Aviation Safety Authority 14 October 2004\n\n![](image.001.png)\n\nThe above AD is notified in the Commonwealth of Australia Gazette on 20 October 2004.\n\n  \n\nPage 1 of 1","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard, targeted Airworthiness Directive addressing a specific safety defect in specific helicopter models. It has not expanded beyond its original purpose of mandating inspection and replacement of faulty cable assemblies."},"complexity_factors":["Single, specific technical requirement (visual inspection per manufacturer bulletin)","Clear binary compliance trigger (corrosion pitting or cracking found = replace; not found = no further action)","Limited applicability — only 2 helicopter models with specific serial number ranges and specific part numbers","Simple compliance timeframe (10 hours OR 30 days, whichever first)","No nested exceptions, conditional logic, or extensive cross-referencing to other legislation","Only references one external document (FAA AD) as a note, not as binding text"],"plain_english_summary":"CASA requires owners/operators of specified McDonnell Douglas/Kawasaki 500N and 600N helicopters (certain serials) to inspect the control cable assemblies to the forward and centre thrusters for corrosion pitting or cracking and to replace any defective assembly before the helicopter next flies. The work must be done within 10 flight hours or 30 days of 20 Oct 2004.\n\nThis follows a stress‑corrosion crack that broke a connector; an undetected failure could cause loss of control."},"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive applies narrowly to specific helicopter models, serial-number ranges and cable part numbers and requires inspection/replacement to address a reported fractured connector. It aligns with the original safety-focused intent in the background and does not broaden scope beyond the affected components and aircraft listed in the AD."},"complexity_factors":["Narrow, specific applicability by model, serial-number ranges and exact part numbers (reduces scope complexity).","Mandatory inspection and immediate replacement 'before further flight' if corrosion or cracking is found (strict operational constraint).","Compliance deadline is short: within 10 hours time in service or 30 days after 20 October 2004 (creates scheduling pressure for operators).","Technical inspection procedure is referenced externally (MD Helicopters Service Bulletin SB500N-027 or SB600N-042), creating a dependency on another document for actionable steps.","Reference to FAA AD 2004-20-08 links to related foreign regulator action (cross-jurisdictional traceability).","Enforcement authority is the CASA delegate under CASR subregulation 39.1(1), concentrating decision power in the delegate’s issuance of the AD."],"plain_english_summary":"This Airworthiness Directive orders owners/operators of certain McDonnell Douglas (Hughes) and Kawasaki 369-series helicopters (specific serial ranges and cable part numbers) to inspect forward and centre thruster control cable assemblies following MD Helicopters Service Bulletin instructions and to replace any cable showing corrosion pitting or cracking before further flight. The inspections must occur within 10 flight hours or 30 days after 20 October 2004. Operators bear inspection, repair and downtime costs; the CASA delegate enforces the requirement."}},"importantCases":[],"_links":{"self":"/api/acts/ad-hu-369-114-forward-and-centre-thruster-control-cable-assemblies-connector","history":"/api/acts/ad-hu-369-114-forward-and-centre-thruster-control-cable-assemblies-connector/history","analysis":"/api/acts/ad-hu-369-114-forward-and-centre-thruster-control-cable-assemblies-connector/analysis","conflicts":"/api/acts/ad-hu-369-114-forward-and-centre-thruster-control-cable-assemblies-connector/conflicts","importantCases":"/api/acts/ad-hu-369-114-forward-and-centre-thruster-control-cable-assemblies-connector/important-cases","documents":"/api/acts/ad-hu-369-114-forward-and-centre-thruster-control-cable-assemblies-connector/documents"}}