{"id":"F2006B03828","name":"AD/BEECH 35/29 - Engine Mount Bolt Nuts","slug":"ad-beech-35-29-engine-mount-bolt-nuts","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43424,"registerId":"commonwealth-F2006B03828-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 35/29 - Engine Mount Bolt Nuts","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)  Beechcraft 35 (Bonanza) Series Aeroplanes\n\n \n\nAD/BEECH 35/29 Engine Mount Bolt Nuts 8/70\n\nApplicability: All models with S/Nos. D-8837 and subsequent. Requirement:  Action in accordance with Beechcraft SI No. 0396-241. Compliance:               Within 25 hours time in service after 21 August 1970.\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1250},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This remains a tightly scoped technical safety directive addressing a specific mechanical defect (engine mount bolt nuts) in defined aircraft models. There is no indication of scope creep; it targets exactly the original safety issue without expanding to unrelated systems or aircraft types."},"complexity_factors":["Extremely short document (approximately 50 words of substantive content)","Single, clear applicability criterion (serial number range D-8837 and subsequent)","Single compliance action referring to one external technical standard","No defined terms, interpretation sections, exceptions, or conditional logic","Fixed compliance deadline with no alternative compliance methods stated"],"plain_english_summary":"This is a **safety order** (called an Airworthiness Directive) issued by the aviation safety regulator for owners and operators of specific Beechcraft Bonanza aircraft.\n\n**What it requires:**\n- If you own or operate a Beechcraft 35 series aeroplane with serial number D-8837 or higher, you must perform specific maintenance on the **engine mount bolt nuts** (the nuts that secure the engine to the airframe).\n- You must follow the exact procedures outlined in **Beechcraft Service Instruction No. 0396-241**.\n- This work must be completed within **25 flight hours** after 21 August 1970.\n\n**Why it matters:**\nThis directive addresses a specific safety defect with engine mount bolt nuts to prevent potential engine separation or structural failure during flight."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-35-29-engine-mount-bolt-nuts","history":"/api/acts/ad-beech-35-29-engine-mount-bolt-nuts/history","analysis":"/api/acts/ad-beech-35-29-engine-mount-bolt-nuts/analysis","conflicts":"/api/acts/ad-beech-35-29-engine-mount-bolt-nuts/conflicts","importantCases":"/api/acts/ad-beech-35-29-engine-mount-bolt-nuts/important-cases","documents":"/api/acts/ad-beech-35-29-engine-mount-bolt-nuts/documents"}}