{"id":"F2006B02449","name":"AD/ARRIEL/19 - Acceleration controller axle of the fuel metering unit","slug":"ad-arriel-19-acceleration-controller-axle-of-the-fuel-metering-unit","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41705,"registerId":"commonwealth-F2006B02449-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# ![](image.001.png)  \nAIRWORTHINESS DIRECTIVE\n\nFor the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CASR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.\n\n![](image.001.png)  \n\nTurbomeca Turbine Engines \\- Arriel Series","sortOrder":0},{"sectionNumber":"AD/ARRIEL/19 Acceleration Controller Axl","sectionType":"part","heading":"AD/ARRIEL/19 Acceleration Controller Axle Of the Fuel Metering Unit","content":"# AD/ARRIEL/19 Acceleration Controller Axle Of the Fuel Metering Unit\n\n  \n13/2004","sortOrder":1}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1216},"content_quality":"rejected","complexity_score":3,"rejection_reason":"The provided text is an incomplete fragment or stub. It contains only the header, cover page elements, and boilerplate structural references (mentioning 'the requirement section', 'applicability section', and 'compliance section') but omits the actual substantive content of those sections. Critical details are missing: the specific unsafe condition regarding the acceleration controller axle, the required corrective actions, the exact aircraft/engine models affected, and the compliance timeframes. Without the operative provisions of the Airworthiness Directive, legislative analysis is impossible.","scope_assessment":{"changed":false,"description":"Cannot be determined from the provided fragment. The text shows only the standard AD template structure without the specific scope details."},"complexity_factors":["Heavy reliance on external cross-references to CASR 1998 subregulation 39.1(1)","Standardized bureaucratic structure referencing non-present sections (background, requirement, applicability, compliance)","Missing substantive content prevents full assessment of technical complexity"],"plain_english_summary":"This appears to be an Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority (CASA) under the Civil Aviation Safety Regulations 1998. ADs are legally binding safety instructions that require aircraft owners or operators to fix unsafe conditions. This particular directive relates to the 'acceleration controller axle of the fuel metering unit' on Turbomeca Arriel series turbine engines. However, the provided text appears to be incomplete, showing only the header, regulatory authority (subregulation 39.1(1) of CASR 1998), and structural boilerplate, without the actual safety requirements or compliance details."}},"importantCases":[],"_links":{"self":"/api/acts/ad-arriel-19-acceleration-controller-axle-of-the-fuel-metering-unit","history":"/api/acts/ad-arriel-19-acceleration-controller-axle-of-the-fuel-metering-unit/history","analysis":"/api/acts/ad-arriel-19-acceleration-controller-axle-of-the-fuel-metering-unit/analysis","conflicts":"/api/acts/ad-arriel-19-acceleration-controller-axle-of-the-fuel-metering-unit/conflicts","importantCases":"/api/acts/ad-arriel-19-acceleration-controller-axle-of-the-fuel-metering-unit/important-cases","documents":"/api/acts/ad-arriel-19-acceleration-controller-axle-of-the-fuel-metering-unit/documents"}}