{"id":"F2006B04114","name":"AD/BEECH 65/1 - Rudder Torque Tube Lowering Fitting - Inspection","slug":"ad-beech-65-1-rudder-torque-tube-lowering-fitting-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43805,"registerId":"commonwealth-F2006B04114-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 65/1 - Rudder Torque Tube Lowering Fitting - 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)  Beechcraft 65 and 70 (Queen Air) Series Aeroplanes\n\n \n\nAD/BEECH 65/1 Rudder Torque Tube Lowering Fitting - Inspection\n\nApplicability: Model 65-80 with S/Nos. prior to LD-139. Document:  Beechcraft SL No. 64-6.\n\nCompliance: At intervals not exceeding 100 hours’ time in service after 2 April 1964.\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\n4/64\n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1978},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This airworthiness directive maintains its original narrow scope from 1964, applying only to the specific aircraft model and rudder component originally identified."},"complexity_factors":["Extremely brief text (under 100 words)","Single unambiguous compliance requirement with no exceptions","No defined terms or interpretation provisions","Clear applicability limited to specific aircraft serial number range","Minimal cross-referencing (only to manufacturer service letter)"],"plain_english_summary":"**What this does**\nThis directive mandates a recurring safety inspection for a specific component in the rudder control system (the torque tube lowering fitting) on certain Beechcraft aircraft.\n\n**Who it affects**\nOwners and operators of Beechcraft Model 65-80 Queen Air aeroplanes with serial numbers prior to LD-139.\n\n**What must be done**\nThe rudder torque tube lowering fitting must be inspected at intervals of no more than 100 hours of flight time, starting from 2 April 1964. The technical details of the inspection are found in Beechcraft Service Letter No. 64-6.\n\n**Why it matters**\nThis prevents potential mechanical failure in the rudder system, ensuring the pilot can maintain control of the aircraft's direction and stability during flight."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-65-1-rudder-torque-tube-lowering-fitting-inspection","history":"/api/acts/ad-beech-65-1-rudder-torque-tube-lowering-fitting-inspection/history","analysis":"/api/acts/ad-beech-65-1-rudder-torque-tube-lowering-fitting-inspection/analysis","conflicts":"/api/acts/ad-beech-65-1-rudder-torque-tube-lowering-fitting-inspection/conflicts","importantCases":"/api/acts/ad-beech-65-1-rudder-torque-tube-lowering-fitting-inspection/important-cases","documents":"/api/acts/ad-beech-65-1-rudder-torque-tube-lowering-fitting-inspection/documents"}}