{"id":"F2006B06455","name":"AD/R22/5 Amdt 2 - Main Gearbox Flexible Coupling Yokes - Inspection","slug":"ad-r22-5-amdt-2-main-gearbox-flexible-coupling-yokes-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":47915,"registerId":"commonwealth-F2006B06455-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/R22/5 Amdt 2 - Main Gearbox Flexible Coupling Yokes - 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)  Robinson R22 Series Helicopters\n\n \n\nAD/R22/5\n\nAmdt 2\n\n\nMain Gearbox Flexible Coupling Yokes - Inspection 10/81\n\n \n\nApplicability: All R22 series helicopters fitted with P.N. A192 and P.N. A194 yokes. Document:  Robinson Service Bulletin SB-11.\n\nCompliance: At periods not exceeding 10 hours time in service.\n\n \n\nBackground: The manufacturer advises of the failure of the main gearbox coupling yoke on three helicopters. AD/R22/5A is raised in issue to include all P.N. A192 and A194 yokes.\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":1269},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":true,"description":"Amendment 2 expanded the scope from earlier versions to cover ALL yokes with part numbers A192 and A194, following three reported failures of these components."},"complexity_factors":["Single compliance requirement (inspection every 10 hours)","Limited applicability (only two specific part numbers)","No nested exceptions or conditional logic","Short document length with clear background explanation","References only one external technical document (Service Bulletin SB-11)"],"plain_english_summary":"**What this requires:** Owners and operators of Robinson R22 helicopters must inspect the main gearbox flexible coupling yokes (specifically parts numbered A192 and A194) every 10 hours of flight time.\n\n**Why it exists:** After three helicopters experienced failures of these coupling yokes, the safety regulator issued this mandatory inspection to catch potential cracks or damage before they cause accidents.\n\n**Who it affects:** Anyone operating an R22 helicopter fitted with these specific yoke part numbers.\n\n**What you need to do:** Follow the inspection procedures in Robinson Service Bulletin SB-11 at least once every 10 hours of flying time."}},"importantCases":[],"_links":{"self":"/api/acts/ad-r22-5-amdt-2-main-gearbox-flexible-coupling-yokes-inspection","history":"/api/acts/ad-r22-5-amdt-2-main-gearbox-flexible-coupling-yokes-inspection/history","analysis":"/api/acts/ad-r22-5-amdt-2-main-gearbox-flexible-coupling-yokes-inspection/analysis","conflicts":"/api/acts/ad-r22-5-amdt-2-main-gearbox-flexible-coupling-yokes-inspection/conflicts","importantCases":"/api/acts/ad-r22-5-amdt-2-main-gearbox-flexible-coupling-yokes-inspection/important-cases","documents":"/api/acts/ad-r22-5-amdt-2-main-gearbox-flexible-coupling-yokes-inspection/documents"}}