{"id":"F2006L03416","name":"AD/A320/194 - Rudder Actuator Attachment Fittings","slug":"ad-a320-194-rudder-actuator-attachment-fittings","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":60872,"registerId":"commonwealth-F2006L03416-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Airbus Industrie A319, A320 and A321 Ser","sectionType":"division","heading":"Airbus Industrie A319, A320 and A321 Series Aeroplanes","content":"### Airbus Industrie A319, A320 and A321 Series Aeroplanes\n\n| AD/A320/194 | Rudder Actuator Attachment Fittings | 11/2006 |\n| ----------- | ----------------------------------- | ------- |\n\n| Applicability: | All Model A320 series aircraft, except aircraft with Airbus modification 21733 or 21999 incorporated in production or Airbus Service Bulletin A320-55-1030 incorporated in service.                                                                                                                                                                                                                                                                                                                      |\n| -------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Replace the existing Carbon Fibre Reinforced Plastic (CFRP) rudder actuator attachment fittings with aluminium alloy fittings in accordance with Airbus Service Bulletin A320-55-1030 original issue, or later EASA approved revision.Note: EASA AD 2006-0262 refers.                                                                                                                                                                                                                                    |\n| Compliance:    | Within 9,000 flight cycles, or 12,000 flight hours, or 60 months, after26 October 2006, whichever occurs first.                                                                                                                                                                                                                                                                                                                                                                                          |\n|                | This Airworthiness Directive becomes effective on 26 October 2006.                                                                                                                                                                                                                                                                                                                                                                                                                                       |\n| Background:    | The failure of a CFRP rudder actuator attachment fitting occurred as a result of incorrect accomplishment of the centering spring rod operational test on an A320 aircraft. Investigation revealed that the CFRP actuator fitting did not comply with the requirements of JAR 25.391. The compression condition for the wind gust according to JAR 25.415 was not considered in the justification. This Directive requires replacement of the affected CFRP actuator fittings with aluminium alloy ones. |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n14 September 2006","sortOrder":0},{"sectionNumber":"AD/A320/194","sectionType":"part","heading":"AD/A320/194","content":"## AD/A320/194","sortOrder":1},{"sectionNumber":"Rudder Actuator Attachment Fittings","sectionType":"part","heading":"Rudder Actuator Attachment Fittings","content":"## Rudder Actuator Attachment Fittings","sortOrder":2},{"sectionNumber":"11/2006","sectionType":"part","heading":"11/2006","content":"## 11/2006","sortOrder":3}],"analysis":{"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"The directive's scope targets aircraft fitted with CFRP rudder actuator attachment fittings and excludes those already modified or compliant via the referenced service bulletin (Applicability & Requirement). The measure matches the stated intent to remove non‑compliant CFRP fittings after an investigated failure and to impose replacement within defined flight‑cycle/flight‑hour/time limits (Background & Compliance)."},"complexity_factors":["Applicability carve-outs: excludes aircraft with Airbus modification 21733 or 21999 incorporated in production, or where Service Bulletin A320-55-1030 has already been incorporated (Applicability).","Prescriptive compliance action: mandatory replacement with aluminium alloy fittings per Airbus Service Bulletin A320-55-1030 or later EASA‑approved revision (Requirement).","Multiple compliance metrics: deadline defined as the earliest of 9,000 flight cycles, 12,000 flight hours, or 60 months after 26 October 2006 (Compliance).","Regulatory cross-references: refers to EASA AD 2006-0262 and JAR requirements (Background & Requirement), adding external normative dependence.","Effective date anchoring: directive becomes effective 26 October 2006, making time calculations relative to that date (Compliance).","Safety justification tied to specific technical test failure and regulatory non-compliance (centering spring rod test; JAR 25.391/25.415 considerations) (Background)."],"plain_english_summary":"This Airworthiness Directive requires operators of most Airbus A319/A320/A321 aircraft to replace carbon-fibre (CFRP) rudder actuator attachment fittings with aluminium-alloy fittings using Airbus Service Bulletin A320‑55‑1030 (or a later EASA‑approved revision). It applies except where specific Airbus modifications or the service bulletin are already incorporated. The change responds to a recorded fitting failure and non‑compliance with airworthiness load requirements; compliance creates parts, installation and downtime costs within set flight‑cycle/flight‑hour/time limits."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard, targeted airworthiness directive addressing a specific identified safety defect in a particular aircraft component. The scope remains precisely limited to the rudder actuator attachment fittings on A320 family aircraft as originally intended."},"complexity_factors":["Single, specific technical requirement (replace one component type with another)","Clear applicability clause with only two explicit exemptions","Simple compliance deadline using 'whichever occurs first' logic","No nested definitions or extensive cross-referencing to other legislation","Background explanation is technical but straightforward","References only one external technical document (Airbus Service Bulletin) and one European aviation safety document (EASA AD 2006-0262)"],"plain_english_summary":"This CASA Airworthiness Directive mandates replacing certain carbon-fibre rudder actuator fittings on Airbus A319/A320/A321 with stronger aluminium parts after a failure showed the originals can crack in service and risk rudder control loss. It applies to all A320-series operators unless the aircraft already have the specified factory mods or prior approved repairs, and must be done by the earliest of 9,000 cycles, 12,000 flight hours, or 60 months from 26 Oct 2006."},"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"}},"importantCases":[],"_links":{"self":"/api/acts/ad-a320-194-rudder-actuator-attachment-fittings","history":"/api/acts/ad-a320-194-rudder-actuator-attachment-fittings/history","analysis":"/api/acts/ad-a320-194-rudder-actuator-attachment-fittings/analysis","conflicts":"/api/acts/ad-a320-194-rudder-actuator-attachment-fittings/conflicts","importantCases":"/api/acts/ad-a320-194-rudder-actuator-attachment-fittings/important-cases","documents":"/api/acts/ad-a320-194-rudder-actuator-attachment-fittings/documents"}}