{"id":"F2006B11409","name":"AD/OM-P/1 - Connecting Rods - Replacement","slug":"ad-om-p-1-connecting-rods-replacement","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":57310,"registerId":"commonwealth-F2006B11409-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/OM-P/1 - Connecting Rods - Replacement","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)  Omnipol Piston Engines\n\n \n\nAD/OM-P/1 Connecting Rods - Replacement NK\n\nApplicability:  Walter Minor 4-111 engines. Requirement: Omnipol SB N4-111/B.\n\nCompliance: At next top overhaul or before installation following next complete overhaul whichever occurs first after 20 May 1961.\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\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1936},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a targeted safety directive focused solely on connecting rod replacement in Walter Minor 4-111 engines. The scope remains narrow and technical, limited to mandating a specific maintenance action for a designated engine model."},"complexity_factors":["Single, specific mechanical requirement (connecting rod replacement)","Conditional compliance timeframe with two alternative triggers (top overhaul vs complete overhaul)","Reference to external technical document (Omnipol Service Bulletin N4-111/B) for actual procedure details","No definitions section or interpretation clauses"],"plain_english_summary":"This Airworthiness Directive mandates the replacement of connecting rods in specific aircraft engines to maintain flight safety.\n\n**What it requires**\nOperators must replace the connecting rods in Walter Minor 4-111 piston engines (manufactured by Omnipol) according to the manufacturer's Service Bulletin N4-111/B.\n\n**Who it affects**\nOwners and operators of aircraft powered by Walter Minor 4-111 engines.\n\n**When compliance is required**\nThe replacement must occur at the next \"top overhaul\" (a major engine service), or before installing the engine following its next \"complete overhaul\" (a full rebuild) — whichever happens first after 20 May 1961."}},"importantCases":[],"_links":{"self":"/api/acts/ad-om-p-1-connecting-rods-replacement","history":"/api/acts/ad-om-p-1-connecting-rods-replacement/history","analysis":"/api/acts/ad-om-p-1-connecting-rods-replacement/analysis","conflicts":"/api/acts/ad-om-p-1-connecting-rods-replacement/conflicts","importantCases":"/api/acts/ad-om-p-1-connecting-rods-replacement/important-cases","documents":"/api/acts/ad-om-p-1-connecting-rods-replacement/documents"}}