{"id":"F2006B11046","name":"AD/L.40/5 - Fuel System - Modification","slug":"ad-l-40-5-fuel-system-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":56665,"registerId":"commonwealth-F2006B11046-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/L.40/5 - Fuel System - Modification","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)  Meta Sokol L.40 Series Aeroplanes\n\n \n\nAD/L.40/5 Fuel System - Modification 11/67\n\nApplicability: All models with wing tip auxiliary tanks installed.\n\n \n\nRequirement: Modify the main fuel tanks vent system to ensure interconnection of the air spaces. Compliance:              Before 1 September 1971.\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":1730},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow, technical scope: a specific safety modification for a defined aircraft type. There is no evidence of scope creep or expansion beyond the original fuel system venting requirement."},"complexity_factors":["Single, unambiguous technical requirement with no exceptions or conditions","No defined terms or interpretation provisions","No cross-references to other legislative instruments","Applicability limited to specific aircraft model and equipment configuration only","Fixed compliance date with no provision for extensions or alternative means"],"plain_english_summary":"This Airworthiness Directive (AD) applies to **Meta Sokol L.40 Series Aeroplanes** that have wing tip auxiliary fuel tanks installed.\n\n**What it requires:**\nOwners and operators must modify the venting system of the main fuel tanks to ensure the air spaces are interconnected. This is a safety measure to prevent fuel system malfunctions that could arise from unbalanced pressure between tanks.\n\n**Who must comply:**\nAnyone operating these specific aircraft models equipped with the wing tip auxiliary tanks mentioned.\n\n**Compliance deadline:**\nThe modification must have been completed before 1 September 1971."}},"importantCases":[],"_links":{"self":"/api/acts/ad-l-40-5-fuel-system-modification","history":"/api/acts/ad-l-40-5-fuel-system-modification/history","analysis":"/api/acts/ad-l-40-5-fuel-system-modification/analysis","conflicts":"/api/acts/ad-l-40-5-fuel-system-modification/conflicts","importantCases":"/api/acts/ad-l-40-5-fuel-system-modification/important-cases","documents":"/api/acts/ad-l-40-5-fuel-system-modification/documents"}}