{"id":"F2006B07578","name":"AD/VAT/43 Amdt 1 - Flapperon Operating Lever and Lever Attach Box Section - Inspection","slug":"ad-vat-43-amdt-1-flapperon-operating-lever-and-lever-attach-box-section-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50197,"registerId":"commonwealth-F2006B07578-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/VAT/43 Amdt 1 - Flapperon Operating Lever and Lever Attach Box Section - Inspection","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nVicta and A.E.S.L. Airtourer Series Aeroplanes\n\nAD/VAT/43\n\nAmdt 1\n\nApplicability: All models.\n\n  \n\nFlapperon Operating Lever and Lever Attach Box Section - Inspection\n\n  \n4/85\n\nRequirement: Remove the flapperon operating lever assembly and inspect the lever attach box sections and the operating levers for evidence of corrosion and cracking.\n\nNote: Alternatively, inspection may be achieved without dissasembly by the provision of inspection holes to a scheme approved by the Secretary.\n\nCompliance: Unless already accomplished, within 100 hours time in service after 30 April 1984, and thereafter at intervals not exceeding 3 years.\n\nBackground: Reports have been received of evidence of corrosion and cracking in the lever and box section which has resulted from moisture entrapment. Failure to detect this defect could result in the eventual loss of control surface input movement. This AD is amended to remove the operating lever assembly part number as all assembly part numbers are affected.","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"The amendment removes a specific operating-lever assembly part number and states that all assembly part numbers are affected, widening the directive's scope from a subset of assemblies to all assemblies of the lever/box component."},"complexity_factors":["Technical inspection requirement: physical removal and visual inspection for corrosion/cracking","Optional alternative inspection method requires approval by the Secretary (bureaucratic discretion)","Fixed compliance timing (100 hours after a date, then 3-year intervals)","Applicability to all models of the specified aircraft series (broad scope)","Potential need for repair or replacement if defects found (maintenance cost and downtime)","Amendment removed a part-number limitation, expanding affected parts"],"plain_english_summary":"This airworthiness directive requires removal and inspection of the flapperon operating lever assembly and the lever-attach box sections on Victa and A.E.S.L. Airtourer series aeroplanes for corrosion and cracking, or alternatively inspection through approved inspection holes. Compliance is within 100 hours time-in-service after 30 April 1984 and then at intervals not exceeding three years. The defect can impede control-surface input; aircraft owners/operators pay for inspections and repairs, and the Secretary approves any alternative inspection scheme."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":true,"description":"The amendment slightly expands scope by removing the operating lever assembly part number restriction, making the directive apply to all assembly part numbers rather than specific ones. However, this is a minor technical expansion rather than a fundamental broadening of purpose — the core safety concern (inspecting for corrosion in this specific component) remains unchanged."},"complexity_factors":["Single, specific mechanical inspection requirement with one alternative compliance method","Only 2 defined compliance triggers (initial 100-hour deadline and recurring 3-year interval)","No cross-references to other legislation or regulations beyond the parent Civil Aviation Regulations 1988 citation","Clear, unambiguous applicability statement ('All models')","Simple amendment: removes a part number restriction without adding conditional logic"],"plain_english_summary":"This Airworthiness Directive mandates owners/operators of all Victa and A.E.S.L. Airtourer series aeroplanes inspect the flapperon operating lever and its attach-box for corrosion and cracking (risking loss of control). Amendment 1 expands coverage to all assembly part numbers. Compliance requires removal and inspection of the lever assembly or an approved drilled-hole inspection method, initially within 100 flight hours after 30 April 1984 and then every three years."}},"importantCases":[],"_links":{"self":"/api/acts/ad-vat-43-amdt-1-flapperon-operating-lever-and-lever-attach-box-section-inspection","history":"/api/acts/ad-vat-43-amdt-1-flapperon-operating-lever-and-lever-attach-box-section-inspection/history","analysis":"/api/acts/ad-vat-43-amdt-1-flapperon-operating-lever-and-lever-attach-box-section-inspection/analysis","conflicts":"/api/acts/ad-vat-43-amdt-1-flapperon-operating-lever-and-lever-attach-box-section-inspection/conflicts","importantCases":"/api/acts/ad-vat-43-amdt-1-flapperon-operating-lever-and-lever-attach-box-section-inspection/important-cases","documents":"/api/acts/ad-vat-43-amdt-1-flapperon-operating-lever-and-lever-attach-box-section-inspection/documents"}}