{"id":"F2006B08287","name":"AD/CESSNA 400/1 - Rear Fuselage Station 255 - Inspection","slug":"ad-cessna-400-1-rear-fuselage-station-255-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115612,"registerId":"commonwealth-F2006B08287-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 400/1 - Rear Fuselage Station 255 - Inspection","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 400/1 Rear Fuselage Station 255 - Inspection 6/88\n\nApplicability: All model 411 with S/Nos. 411-0001 to 411-0142 except 0068 0072, 0076, 0099,\n\n0102, 0105, 0112, 0119, 0129, 0130, 0132, 0133, 0138, 0139, 0140.\n\n \n\nDocument: Cessna SL 66-19. OR DCA/CESSNA 411/1. 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","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2799},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive maintains its original narrow scope: mandating a one-time structural inspection for a specific production batch of Cessna 411 aircraft. It has not expanded to cover additional aircraft models, alternative inspection methods, or ongoing maintenance requirements beyond the initial rear fuselage check."},"complexity_factors":["Single, specific compliance action (one inspection location)","Applicability determined by simple serial number enumeration without nested conditions","No definitions section or interpretative clauses","External references only to technical service documents, not to other legislative instruments","Approximately 80 words in length with straightforward sentence structure"],"plain_english_summary":"This Airworthiness Directive mandates a physical inspection of the rear fuselage at Station 255 on certain Cessna 411 aircraft to detect cracks, corrosion, or fatigue. It applies to serials 411-0001 through 411-0142 (excluding 14 specific serials) and must be done per Cessna Service Letter 66-19 or DCA/CESSNA 411/1.\n\nCompliance was required by 1 September 1971; operating without it renders affected aircraft unairworthy."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-400-1-rear-fuselage-station-255-inspection","history":"/api/acts/ad-cessna-400-1-rear-fuselage-station-255-inspection/history","analysis":"/api/acts/ad-cessna-400-1-rear-fuselage-station-255-inspection/analysis","conflicts":"/api/acts/ad-cessna-400-1-rear-fuselage-station-255-inspection/conflicts","importantCases":"/api/acts/ad-cessna-400-1-rear-fuselage-station-255-inspection/important-cases","documents":"/api/acts/ad-cessna-400-1-rear-fuselage-station-255-inspection/documents"}}