{"id":"F2006B04148","name":"AD/BEECH 65/52 - Landing Gear Torque Tube - Inspection and Replacement","slug":"ad-beech-65-52-landing-gear-torque-tube-inspection-and-replacement","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43877,"registerId":"commonwealth-F2006B04148-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 65/52 - Landing Gear Torque Tube - Inspection and 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 - 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\n# AD/BEECH 65/52 Landing Gear Torque Tube - Inspection\n\nand Replacement\n\nApplicability: Model 65-B80 with S/Nos. LD-506 to LD-511. Document:  Beechcraft SI No. 1049.\n\nCompliance: Within 100 hours’ time in service after 31 August 1979.\n\n# 8/79\n\n \n\nBackground: The landing gear torque tube is to be inspected for elongation or double drilling of the bolt hole where the nose gear drive sprocket attaches.\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":3261},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive remains tightly focused on its original purpose of addressing a specific mechanical defect in the landing gear of six identified aircraft. There is no indication of expansion to additional aircraft models, serial numbers, or systems beyond the original scope."},"complexity_factors":["Extremely narrow applicability limited to six specific aircraft serial numbers","Reference to external technical document (Beechcraft Service Instruction No. 1049) without reproducing its contents","Technical aviation terminology (torque tube, sprocket, time in service) undefined in the text","Simple single-condition compliance requirement based on accumulated flight hours after a fixed date"],"plain_english_summary":"**What this requires**\n\nThis directive orders a mandatory safety inspection of the landing gear torque tube on specific Beechcraft aircraft. Operators must check for damage—specifically stretched (elongated) bolt holes or evidence of previous repair attempts (double drilling)—where the nose wheel steering mechanism attaches to the tube.\n\n**Who must comply**\n\nOnly owners and operators of **Beechcraft Model 65-B80** aircraft with serial numbers **LD-506 through LD-511** (six specific aircraft).\n\n**What must be done**\n\nThe inspection must be completed within **100 flight hours** (time in service) after 31 August 1979. If damage is found, the torque tube must be replaced in accordance with the referenced technical standard (Beechcraft Service Instruction No. 1049).\n\n**Why this matters**\n\nThe torque tube is a structural component critical to landing gear operation. Undetected damage could lead to landing gear failure, posing serious safety risks during takeoff or landing."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-65-52-landing-gear-torque-tube-inspection-and-replacement","history":"/api/acts/ad-beech-65-52-landing-gear-torque-tube-inspection-and-replacement/history","analysis":"/api/acts/ad-beech-65-52-landing-gear-torque-tube-inspection-and-replacement/analysis","conflicts":"/api/acts/ad-beech-65-52-landing-gear-torque-tube-inspection-and-replacement/conflicts","importantCases":"/api/acts/ad-beech-65-52-landing-gear-torque-tube-inspection-and-replacement/important-cases","documents":"/api/acts/ad-beech-65-52-landing-gear-torque-tube-inspection-and-replacement/documents"}}