{"id":"F2006B10686","name":"AD/HU 369/22 Amdt 1 - Tail Rotor Transmission Attachment Bracket Assemblies Inspection","slug":"ad-hu-369-22-amdt-1-tail-rotor-transmission-attachment-bracket-assemblies-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":116636,"registerId":"commonwealth-F2006B10686-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/HU 369/22 Amdt 1 - Tail Rotor Transmission Attachment Bracket Assemblies Inspection","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  McDonnell Douglas (Hughes) and Kawasaki 369 Series Helicopters\n\n \n\nAD/HU 369/22\n\nAmdt 1\n\n\nTail Rotor Transmission Attachment Bracket Assemblies Inspection\n\n\n12/77\n\n \n\nApplicability: All model 369H series with tailboom assembly P/N 369A- 3505-505 having S/No. listed in Hughes SIN No. HN-111.1.\n\n \n\nDocument: Hughes SIN No. HN-111.1\n\n \n\nCompliance: Within 100 hours time in service after 10 November 1977.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1760},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This amendment maintains the original narrow scope of ensuring airworthiness of tail rotor attachment brackets on specific Hughes helicopter models. It does not expand beyond the original safety-critical maintenance purpose."},"complexity_factors":["Extremely short text (under 150 words of substantive content)","Single unconditional compliance requirement (one inspection task)","Narrow applicability limited to specific part number and serial number range","Technical details outsourced to external manufacturer document (Hughes SIN HN-111.1)","No nested exceptions, conditional logic, or cross-references to other legislation beyond the enabling Part 39"],"plain_english_summary":"This CASA Airworthiness Directive requires owners/operators of certain McDonnell Douglas (Hughes) 369H helicopters (tailboom P/N 369A-3505-505; serial numbers per Hughes SIN No. HN-111.1) to inspect the tail rotor transmission attachment bracket assemblies for cracks, corrosion or defects within 100 flight hours after 10 November 1977. The inspections prevent bracket failure that could cause loss of tail rotor control and catastrophic accident."}},"importantCases":[],"_links":{"self":"/api/acts/ad-hu-369-22-amdt-1-tail-rotor-transmission-attachment-bracket-assemblies-inspection","history":"/api/acts/ad-hu-369-22-amdt-1-tail-rotor-transmission-attachment-bracket-assemblies-inspection/history","analysis":"/api/acts/ad-hu-369-22-amdt-1-tail-rotor-transmission-attachment-bracket-assemblies-inspection/analysis","conflicts":"/api/acts/ad-hu-369-22-amdt-1-tail-rotor-transmission-attachment-bracket-assemblies-inspection/conflicts","importantCases":"/api/acts/ad-hu-369-22-amdt-1-tail-rotor-transmission-attachment-bracket-assemblies-inspection/important-cases","documents":"/api/acts/ad-hu-369-22-amdt-1-tail-rotor-transmission-attachment-bracket-assemblies-inspection/documents"}}