{"id":"F2006B08561","name":"AD/CHA/8 - Front Wing Strut","slug":"ad-cha-8-front-wing-strut","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":51376,"registerId":"commonwealth-F2006B08561-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CHA/8 - Front Wing Strut","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)  American Champion (Aeronca, Bellanca) Series Aeroplanes\n\n \n\nAD/CHA/8 Front Wing Strut 3/72\n\nApplicability: All model 7 aircraft constructed before 1 August 1964. Requirement:  Action in accordance with Champion SL No 72.\n\nCompliance: Before further flight after 2 March 1972.\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":1317},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This airworthiness directive maintains its original narrow scope addressing a specific structural safety issue on a defined subset of aircraft. There is no indication of expansion beyond the original front wing strut safety requirement."},"complexity_factors":["Extremely short (single page)","Only one substantive requirement","Simple applicability criteria (single aircraft model and construction date cutoff)","Minimal cross-referencing (references only one external manufacturer document)"],"plain_english_summary":"**What it does**\nThis safety directive requires owners to inspect or modify the front wing struts on specific light aircraft to prevent structural failure.\n\n**Who it affects**\nOwners and operators of American Champion (also sold as Aeronca or Bellanca) **Model 7 aircraft** built **before 1 August 1964**.\n\n**What is required**\nYou must perform the specific maintenance actions detailed in **Champion Service Letter No. 72** (the manufacturer's technical bulletin) on the front wing strut assembly.\n\n**Deadline**\nThe work must be completed **before the aircraft flies again after 2 March 1972**.\n\n**Why it matters**\nWing struts are critical structural components that hold the wings to the fuselage. This directive addresses a potential defect that could cause the strut to fail in flight, potentially leading to wing separation or loss of control."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cha-8-front-wing-strut","history":"/api/acts/ad-cha-8-front-wing-strut/history","analysis":"/api/acts/ad-cha-8-front-wing-strut/analysis","conflicts":"/api/acts/ad-cha-8-front-wing-strut/conflicts","importantCases":"/api/acts/ad-cha-8-front-wing-strut/important-cases","documents":"/api/acts/ad-cha-8-front-wing-strut/documents"}}