{"id":"F2009L02828","name":"AD/ECUREUIL/35 - Planet Gear Cage to Rotor Shaft Attachment Bolts - CANCELLED","slug":"ad-ecureuil-35-planet-gear-cage-to-rotor-shaft-attachment-bolts-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":80099,"registerId":"commonwealth-F2009L02828-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Eurocopter AS 350 (Ecureuil) Series Heli","sectionType":"division","heading":"Eurocopter AS 350 (Ecureuil) Series Helicopters","content":"### Eurocopter AS 350 (Ecureuil) Series Helicopters\n\n| AD/ECUREUIL/35 | Planet Gear Cage to RotorShaft Attachment Bolts | 8/2009 |\n| -------------- | ----------------------------------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                             |\n| ------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 30 July 2009.                                                                                                                                                  |\n| Background:  | This unique Australian AD specified replacement of bolts in accordance with Aerospatiale SB No. 62-08 within 300 hours time in service after March 1987. The AD is no longer required. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n18 June 2009","sortOrder":0},{"sectionNumber":"AD/ECUREUIL/35","sectionType":"part","heading":"AD/ECUREUIL/35","content":"## AD/ECUREUIL/35","sortOrder":1},{"sectionNumber":"Planet Gear Cage to RotorShaft Attachmen","sectionType":"part","heading":"Planet Gear Cage to RotorShaft Attachment Bolts","content":"## Planet Gear Cage to Rotor  \nShaft Attachment Bolts","sortOrder":2},{"sectionNumber":"8/2009","sectionType":"part","heading":"8/2009","content":"## 8/2009","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1512},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument terminates the regulatory scope entirely by cancelling the previous Airworthiness Directive. It does not expand, modify, or grow beyond its original purpose; rather, it eliminates the mandatory maintenance requirement completely as of 30 July 2009."},"complexity_factors":["Very short document (under 150 words)","No defined terms or interpretation section","Single operational provision: cancellation","Only cross-references one previous instrument (the original AD) and one technical standard (Aerospatiale SB No. 62-08)","No conditional logic or exceptions"],"plain_english_summary":"**What this is:** A cancellation notice for a previous aviation safety rule about helicopter maintenance.\n\n**What it does:** This officially cancels Airworthiness Directive (AD) number AD/ECUREUIL/35, which previously required owners of Eurocopter AS 350 helicopters to replace certain bolts in the rotor assembly.\n\n**Who it affects:** Owners and operators of Eurocopter AS 350 (Ecureuil) series helicopters.\n\n**Why it matters:** The original rule required replacing specific bolts (called \"planet gear cage to rotor shaft attachment bolts\") within 300 hours of flight time after March 1987, following instructions from the manufacturer (Aerospatiale Service Bulletin No. 62-08). As of 30 July 2009, this maintenance requirement is no longer necessary or mandatory.\n\n**Key date:** The cancellation took effect on 30 July 2009."}},"importantCases":[],"_links":{"self":"/api/acts/ad-ecureuil-35-planet-gear-cage-to-rotor-shaft-attachment-bolts-cancelled","history":"/api/acts/ad-ecureuil-35-planet-gear-cage-to-rotor-shaft-attachment-bolts-cancelled/history","analysis":"/api/acts/ad-ecureuil-35-planet-gear-cage-to-rotor-shaft-attachment-bolts-cancelled/analysis","conflicts":"/api/acts/ad-ecureuil-35-planet-gear-cage-to-rotor-shaft-attachment-bolts-cancelled/conflicts","importantCases":"/api/acts/ad-ecureuil-35-planet-gear-cage-to-rotor-shaft-attachment-bolts-cancelled/important-cases","documents":"/api/acts/ad-ecureuil-35-planet-gear-cage-to-rotor-shaft-attachment-bolts-cancelled/documents"}}