{"id":"F2006B08348","name":"AD/CESSNA 400/63 - Emergency Exit Door - Modification","slug":"ad-cessna-400-63-emergency-exit-door-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115755,"registerId":"commonwealth-F2006B08348-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 400/63 - Emergency Exit Door - 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)  Cessna 400 Series Aeroplanes\n\n \n\nAD/CESSNA 400/63 Emergency Exit Door - Modification 2/79\n\nApplicability: All model 404 with S/Nos. 404-0001 to 404-0136, 404-0201 to 404-0233. Document:               Cessna SL ME78-41.\n\nCompliance: Before 1 June 1979.\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\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1314},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive remains precisely targeted at the specific technical safety issue (emergency exit door modification) for the identified Cessna aircraft models, with no expansion beyond this original purpose."},"complexity_factors":["Single, unambiguous mandate with no exceptions or nested conditions","Narrow application limited to specific aircraft serial numbers","Simple compliance pathway: follow referenced manufacturer service letter by fixed date","No defined terms section or cross-references to other legislative provisions"],"plain_english_summary":"**What this is:** A mandatory safety order (called an **Airworthiness Directive**) issued by the Civil Aviation Safety Authority.\n\n**What it requires:** Owners of specific Cessna 404 aircraft must modify the emergency exit doors according to the manufacturer's instructions (Cessna Service Letter ME78-41).\n\n**Who it affects:** Only applies to Cessna model 404 aeroplanes with serial numbers between 404-0001–404-0136 and 404-0201–404-0233.\n\n**Why it matters:** Emergency exits must function properly during an accident. This directive ensures the doors on these specific aircraft meet safety standards.\n\n**Compliance deadline:** The modification had to be completed before 1 June 1979."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-400-63-emergency-exit-door-modification","history":"/api/acts/ad-cessna-400-63-emergency-exit-door-modification/history","analysis":"/api/acts/ad-cessna-400-63-emergency-exit-door-modification/analysis","conflicts":"/api/acts/ad-cessna-400-63-emergency-exit-door-modification/conflicts","importantCases":"/api/acts/ad-cessna-400-63-emergency-exit-door-modification/important-cases","documents":"/api/acts/ad-cessna-400-63-emergency-exit-door-modification/documents"}}