{"id":"F2008L00139","name":"AD/A330/85 - CFRP Rudder - 2","slug":"ad-a330-85-cfrp-rudder-2","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":72275,"registerId":"commonwealth-F2008L00139-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Airbus Industrie A330 Series Aeroplanes","sectionType":"division","heading":"Airbus Industrie A330 Series Aeroplanes","content":"### Airbus Industrie A330 Series Aeroplanes\n\n| AD/A330/85 | CFRP Rudder - 2 | 3/2008 DM |\n| ---------- | --------------- | --------- |\n\n| Applicability: | All Model A330-300 series aircraft, all serial numbers, on which a Carbon Fibre Reinforced Plastic (CFRP) rudder part number A55471500 series is installed, and;Any rudder part number A55471500 series held as a spare.                                |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Action in accordance with the requirements of EASA AD 2008-0012.Note: AIRBUS Service Bulletins A330-55-3037 original issue, and A330-55-3038 original issue, or later EASA approved revisions, refer.                                                   |\n| Compliance:    | As specified in the Requirement document.                                                                                                                                                                                                               |\n|                | This Airworthiness Directive becomes effective on 28 January 2008.                                                                                                                                                                                      |\n| Background:    | Based on some recent in-service findings for fluid ingress and/or inner skin disbond damage on rudders, which could result in reduced structural integrity of the rudder, AIRBUS has introduced structural inspections to specific areas of the rudder. |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n16 January 2008","sortOrder":0},{"sectionNumber":"AD/A330/85","sectionType":"part","heading":"AD/A330/85","content":"## AD/A330/85","sortOrder":1},{"sectionNumber":"CFRP Rudder - 2","sectionType":"part","heading":"CFRP Rudder - 2","content":"## CFRP Rudder - 2","sortOrder":2},{"sectionNumber":"3/2008 DM","sectionType":"part","heading":"3/2008 DM","content":"## 3/2008 DM","sortOrder":3}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard airworthiness directive with narrow, specific scope addressing a known safety defect in particular aircraft components. It has not expanded beyond its original purpose of ensuring rudder structural integrity."},"complexity_factors":["Very short document (under 300 words)","Only 1 defined term (CFRP explicitly defined in parentheses)","No nested conditional logic — single straightforward requirement","No cross-references to Australian legislation — only refers to external EASA directive and Airbus service bulletins","Single applicability criterion with two clear categories (installed rudders and spare parts)","No exceptions or exemptions listed"],"plain_english_summary":"This mandatory CASA Airworthiness Directive requires operators and spare-part holders of Airbus A330-300 aircraft with CFRP rudders to inspect and, if needed, repair them after finding fluid-induced inner-skin disbonding that can weaken the rudder. \n\nCompliance follows EASA AD 2008‑0012 and Airbus service bulletins; the AD took effect 28 January 2008. It’s essential for flight safety and legal airworthiness in Australia."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive applies only to A330-300 aircraft with rudder part number A55471500 series and to those spare parts; it instructs operators to follow the specified EASA AD and Airbus service bulletins. The text does not indicate any expansion or narrowing of scope beyond those parts and the required inspections."},"complexity_factors":["Applicability limited to a specific rudder part series and includes spares (narrow but precise scope).","Mandatory compliance delegated to an external document (EASA AD 2008-0012) and Airbus service bulletins, creating dependency on external technical instructions.","Technical nature of required inspections and potential repairs requires specialist maintenance resources and judgement.","Compliance timing and procedures are set out in referenced documents rather than in the directive text, adding an extra lookup step for operators.","Regulatory enforcement by CASA with an effective date imposes immediate scheduling and possible operational disruption for affected operators."],"plain_english_summary":"This directive requires operators of Airbus A330-300 aeroplanes fitted with a Carbon Fibre Reinforced Plastic rudder (part number A55471500 series) — including spares — to carry out inspections and follow-up actions specified in EASA AD 2008-0012 and referenced Airbus service bulletins. It became effective 28 January 2008.\n\nAircraft operators pay for and schedule the inspections and any repairs; the Civil Aviation Safety Authority enforces compliance. The inspections aim to detect fluid ingress and inner-skin disbond that could reduce rudder structural integrity."}},"importantCases":[],"_links":{"self":"/api/acts/ad-a330-85-cfrp-rudder-2","history":"/api/acts/ad-a330-85-cfrp-rudder-2/history","analysis":"/api/acts/ad-a330-85-cfrp-rudder-2/analysis","conflicts":"/api/acts/ad-a330-85-cfrp-rudder-2/conflicts","importantCases":"/api/acts/ad-a330-85-cfrp-rudder-2/important-cases","documents":"/api/acts/ad-a330-85-cfrp-rudder-2/documents"}}