{"id":"F2007L04398","name":"AD/DAUPHIN/74 - Main Gear Box - Planet Gear Carrier - CANCELLED","slug":"ad-dauphin-74-main-gear-box-planet-gear-carrier-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":70738,"registerId":"commonwealth-F2007L04398-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/DAUPHIN/74 - Main Gear Box - Planet Gear Carrier - CANCELLED","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 20.2\ntitle: AIRCRAFT\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\n \n\nAIRWORTHINESS DIRECTIVE\n\nOn the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive AD/DAUPHIN/74.\n\n### Eurocopter SA 360 and SA 365 (Dauphin) Series Helicopters\n\n| AD/DAUPHIN/74 | Main Gear Box - Planet Gear Carrier | 1/2008 TX |\n| --- | --- | --- |\n\n\n \n\n| Requirement: | CANCELLED. |\n| --- | --- |\n|  | This AD is cancelled on 21 November 2007. |\n| Background: | This AD has been superseded by AD/DAUPHIN/94. |\n\n\n![](image.001.png)\n\nDavid Punshon  Delegate of the Civil Aviation Safety Authority\n\n16 November 2007\n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2109},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The instrument performs a straightforward revocation of a previous directive without expanding, altering, or adding to the regulatory scope."},"complexity_factors":["Single, unambiguous operative provision (cancellation)","No defined terms or interpretation section","No conditional logic, exceptions, or procedural requirements","Minimal cross-referencing (only identifies the superseding directive)"],"plain_english_summary":"This instrument **cancels an outdated aviation safety rule** for specific helicopters.\n\n**What it does:**\n* **Revokes Airworthiness Directive AD/DAUPHIN/74** — a previous safety requirement concerning the main gearbox planet gear carrier on Eurocopter SA 360 and SA 365 (Dauphin) series helicopters.\n* The cancellation takes effect on **21 November 2007**.\n\n**Why it matters:**\nThe Civil Aviation Safety Authority has replaced the old directive with a newer one (**AD/DAUPHIN/94**). Helicopter owners and operators no longer need to comply with the requirements of AD/DAUPHIN/74, and must follow the updated rule instead."}},"importantCases":[],"_links":{"self":"/api/acts/ad-dauphin-74-main-gear-box-planet-gear-carrier-cancelled","history":"/api/acts/ad-dauphin-74-main-gear-box-planet-gear-carrier-cancelled/history","analysis":"/api/acts/ad-dauphin-74-main-gear-box-planet-gear-carrier-cancelled/analysis","conflicts":"/api/acts/ad-dauphin-74-main-gear-box-planet-gear-carrier-cancelled/conflicts","importantCases":"/api/acts/ad-dauphin-74-main-gear-box-planet-gear-carrier-cancelled/important-cases","documents":"/api/acts/ad-dauphin-74-main-gear-box-planet-gear-carrier-cancelled/documents"}}