{"id":"F2015L01297","name":"CASA ADCX 012/15 - Repeal of Airworthiness Directive","slug":"casa-adcx-012-15-repeal-of-airworthiness-directive","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":143623,"registerId":"commonwealth-F2015L01297-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA ADCX 012/15 - Repeal of Airworthiness Directive","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-description: Revocation of directions\nmeta-generator: Aspose.Words for .NET 20.2\ntitle: CASA ADCX 012/15\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nInstrument number CASA ADCX 012/15\n\nI, MICHAEL JAMES HIGGINS, Manager, Continuing Airworthiness, a delegate of CASA, make this instrument under subregulation 39.001 (1) of the Civil Aviation Safety Regulations 1998.\n\n![](image.001.png)\n\nMike Higgins  Manager  Continuing Airworthiness\n\n19 August 2015\n\nRepeal of Airworthiness Directive\n\n1 Commencement\n\n This instrument commences on 28 August 2015.\n\n2 Repeal\n\n The Airworthiness Directive (AD) mentioned in Schedule 1 is repealed on the date specified for it in the Schedule.\n\nSchedule 1 Repeal of AD\n\n| AD | Repeal date |\n| --- | --- |\n| AD/B737/23 Amdt 3 | 28 August 2015 |\n\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1889},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The instrument maintains its original narrow scope of repealing a single airworthiness directive and has not expanded to address additional aircraft types or safety matters."},"complexity_factors":["Single operative provision (repeals only one specific directive)","No definitions or interpretation section","No conditional logic, exceptions, or procedural steps","Minimal cross-referencing (only cites the empowering regulation provision)"],"plain_english_summary":"This is a short official order from the Civil Aviation Safety Authority (CASA) — the government body that oversees aviation safety — that cancels a specific safety rule for Boeing 737 aircraft.\n\n**What it does**\n- **Repeals (cancels)** Airworthiness Directive AD/B737/23 Amendment 3, effective 28 August 2015\n- This removes a mandatory safety requirement that previously applied to certain Boeing 737 planes\n\n**Who it affects**\n- Airlines and operators flying Boeing 737 aircraft\n- Aircraft maintenance engineers and approved maintenance organisations\n- Owners of affected Boeing 737s\n\n**Why it matters**\nAirworthiness Directives are legally binding safety instructions issued to fix unsafe conditions in aircraft. When CASA repeals one, it typically means the safety issue has been resolved, the rule is obsolete, or it has been superseded by newer requirements. Operators must ensure they stop complying with the old directive and verify they are following any current safety rules instead."}},"importantCases":[],"_links":{"self":"/api/acts/casa-adcx-012-15-repeal-of-airworthiness-directive","history":"/api/acts/casa-adcx-012-15-repeal-of-airworthiness-directive/history","analysis":"/api/acts/casa-adcx-012-15-repeal-of-airworthiness-directive/analysis","conflicts":"/api/acts/casa-adcx-012-15-repeal-of-airworthiness-directive/conflicts","importantCases":"/api/acts/casa-adcx-012-15-repeal-of-airworthiness-directive/important-cases","documents":"/api/acts/casa-adcx-012-15-repeal-of-airworthiness-directive/documents"}}