{"id":"F2006B06676","name":"AD/RRP-C/1 - Connecting Rod - Modification","slug":"ad-rrp-c-1-connecting-rod-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48669,"registerId":"commonwealth-F2006B06676-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/RRP-C/1 - Connecting Rod - Modification","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 - 106 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Rolls Royce (Blackburn) Engines - Cirrus Series\n\n \n\nAD/RRP-C/1 Connecting Rod - Modification NK\n\nApplicability: Cirrus Minor 1, 11 and 11A.\n\n \n\nDocument: 1. Cirrus Mod. M1613 and Cirrus Service Instruction No. J32; or 2. ANO 106.1.4.1.5.3. or\n\n3. AD/BNC/1.\n\n \n\nCompliance: Before installation in an aircraft.\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":1595},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive maintains its original narrow technical scope: mandating a specific safety modification for connecting rods in Cirrus Minor engines. There is no evidence of scope expansion beyond this targeted mechanical remedy."},"complexity_factors":["Single-page directive with only one substantive requirement","No defined terms or interpretation sections","Simple applicability clause (three specific engine models only)","Straightforward compliance trigger (before installation)","Minimal cross-referencing (three alternative compliance documents providing equivalent outcomes)"],"plain_english_summary":"CASA requires a mandated mechanical modification to the connecting rod of Rolls Royce (Blackburn) Cirrus Minor engines (models 1, 11 and 11A) before any such engine may be installed. It affects owners, operators and maintainers and aims to prevent in‑flight engine failure from stressed or outdated connecting rods by ensuring an approved modification is applied."}},"importantCases":[],"_links":{"self":"/api/acts/ad-rrp-c-1-connecting-rod-modification","history":"/api/acts/ad-rrp-c-1-connecting-rod-modification/history","analysis":"/api/acts/ad-rrp-c-1-connecting-rod-modification/analysis","conflicts":"/api/acts/ad-rrp-c-1-connecting-rod-modification/conflicts","importantCases":"/api/acts/ad-rrp-c-1-connecting-rod-modification/important-cases","documents":"/api/acts/ad-rrp-c-1-connecting-rod-modification/documents"}}