{"id":"F2006L00456","name":"AD/B737/2 - Engine Fuel Supply - Leak Tests - CANCELLED","slug":"ad-b737-2-engine-fuel-supply-leak-tests-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":117155,"registerId":"commonwealth-F2006L00456-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/B737/2 - Engine Fuel Supply - Leak Tests - CANCELLED","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 20.2\ntitle: AIRCRAFT\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\n \n\nAIRWORTHINESS DIRECTIVE\n\nOn the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive AD/B737/2.\n\n### Boeing 737 Series Aeroplanes\n\n| AD/B737/2 | Engine Fuel Supply - Leak Tests | 3/2006 |\n| --- | --- | --- |\n\n\n \n\n| Requirement: | CANCELLED. |\n| --- | --- |\n|  | This AD is cancelled on 16 March 2006. |\n| Background: | This AD has been superseded by AD/B737/273. |\n\n\n![](image.001.png)\n\nJames Coyne  Delegate of the Civil Aviation Safety Authority\n\n1 February 2006\n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1497},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument simply revokes a previous directive without expanding the regulatory scope; the subject matter (Boeing 737 fuel systems) remains regulated under the superseding directive AD/B737/273."},"complexity_factors":["Single operational provision (cancellation only)","No defined terms or interpretation section","No conditional logic or exceptions","No cross-references required for understanding the effect"],"plain_english_summary":"**This document cancels an old aircraft safety rule.**\n\nThe Civil Aviation Safety Authority (CASA) has cancelled Airworthiness Directive AD/B737/2, which previously required specific leak testing for the engine fuel supply systems on Boeing 737 aeroplanes.\n\n**What this means:**\n- The old safety requirement no longer applies as of 16 March 2006\n- A newer directive (AD/B737/273) now covers these requirements instead\n- Operators should follow the updated directive\n\n**Who is affected:**\n- Owners and operators of Boeing 737 series aircraft\n- Maintenance organisations servicing these fuel systems\n\nAn Airworthiness Directive is a mandatory safety notice issued by CASA to address unsafe conditions in aircraft."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b737-2-engine-fuel-supply-leak-tests-cancelled","history":"/api/acts/ad-b737-2-engine-fuel-supply-leak-tests-cancelled/history","analysis":"/api/acts/ad-b737-2-engine-fuel-supply-leak-tests-cancelled/analysis","conflicts":"/api/acts/ad-b737-2-engine-fuel-supply-leak-tests-cancelled/conflicts","importantCases":"/api/acts/ad-b737-2-engine-fuel-supply-leak-tests-cancelled/important-cases","documents":"/api/acts/ad-b737-2-engine-fuel-supply-leak-tests-cancelled/documents"}}