{"id":"F2006B05011","name":"AD/CESSNA 177/17 - Stabilator","slug":"ad-cessna-177-17-stabilator","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44921,"registerId":"commonwealth-F2006B05011-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 177/17 - Stabilator","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 177 Series Aeroplanes\n\n \n\nAD/CESSNA 177/17 Stabilator 12/74 Applicability:              All model 177RG with S/Nos. F177RG001 to 0080, 0082 to 0087 and 0090 to 0097. Requirement:               Action in accordance with Cessna SL SE74-22.\n\nCompliance: Within 100 hours time in service after 31 December 1974.\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":2006},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive maintains its original targeted scope, applying only to specific serial numbers of the Cessna 177RG model to address a particular stabilator safety issue. There is no evidence of expansion beyond this original technical maintenance purpose."},"complexity_factors":["Single-page document with minimal regulatory text","Narrow applicability limited to 76 specific aircraft serial numbers","Single external technical reference (Cessna Service Letter SE74-22)","No nested conditions, exceptions, or cross-references to other legislative provisions"],"plain_english_summary":"This is an aviation safety directive issued by the Civil Aviation Safety Authority (CASA) that mandates specific maintenance for certain Cessna 177RG aircraft.\n\n**What it does:**\nIt requires owners or operators to inspect or repair the **stabilator** (the movable tail surface that controls whether the aircraft pitches up or down) according to technical instructions in Cessna Service Letter SE74-22.\n\n**Who it affects:**\nOnly Cessna 177RG aircraft with these specific serial numbers:\n- F177RG001 through F177RG0080\n- F177RG0082 through F177RG0087  \n- F177RG0090 through F177RG0097\n\n**When you must comply:**\nThe required work must be completed within 100 hours of flight time after 31 December 1974.\n\nThis directive addresses a specific safety issue with the stabilator to ensure proper aircraft control."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-177-17-stabilator","history":"/api/acts/ad-cessna-177-17-stabilator/history","analysis":"/api/acts/ad-cessna-177-17-stabilator/analysis","conflicts":"/api/acts/ad-cessna-177-17-stabilator/conflicts","importantCases":"/api/acts/ad-cessna-177-17-stabilator/important-cases","documents":"/api/acts/ad-cessna-177-17-stabilator/documents"}}