{"id":"F2006L01023","name":"AD/F2000/12 - Hydraulic Shut-off Valve","slug":"ad-f2000-12-hydraulic-shut-off-valve","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":58299,"registerId":"commonwealth-F2006L01023-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Dassault Aviation Falcon 2000 Series Aer","sectionType":"division","heading":"Dassault Aviation Falcon 2000 Series Aeroplanes","content":"### Dassault Aviation Falcon 2000 Series Aeroplanes\n\n| AD/F2000/12 | Hydraulic Shut-off Valve | 5/2006 |\n| ----------- | ------------------------ | ------ |\n\n| Applicability: | FALCON 2000 aircraft, from serial numbers (S/N) 2 to 132 included, except S/N123, 130 and 131 which have not incorporated Service Bulletin (SB) F2000-223.                                                                                                                 |\n| -------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Replace the hydraulic shut-off valve in accordance with Dassault Aviation SBF2000-223 or later DGAC approved revision.Note: DGAC AD F-2001-497-011(b) refers.                                                                                                              |\n| Compliance:    | Within 30 days after the effective date of this AD.                                                                                                                                                                                                                        |\n|                | This Airworthiness Directive becomes effective on 11 May 2006.                                                                                                                                                                                                             |\n| Background:    | The hydraulic shut-off valve is designed to isolate the hydraulic fluid from the engine nacelle in the case of a fire. The valve can fail because of the valve actuator motor continuing to run after the valve reaches its commanded position and eventually overheating. |\n\n![](image.001.png)  \nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n17 March 2006","sortOrder":0},{"sectionNumber":"AD/F2000/12","sectionType":"part","heading":"AD/F2000/12","content":"## AD/F2000/12","sortOrder":1},{"sectionNumber":"Hydraulic Shut-off Valve","sectionType":"part","heading":"Hydraulic Shut-off Valve","content":"## Hydraulic Shut-off Valve","sortOrder":2},{"sectionNumber":"5/2006","sectionType":"part","heading":"5/2006","content":"## 5/2006","sortOrder":3}],"analysis":{"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"Scope remains focused on addressing the hydraulic shut‑off valve failure risk for Falcon 2000 airframes S/N 2–132 (excluding S/N 123, 130, 131). The instrument mandates a single remedial action (valve replacement per Dassault SBF2000-223) within 30 days and does not expand obligations beyond that technical subset."},"complexity_factors":["Narrow applicability defined by specific serial number range and three explicit exceptions (Applicability)","Single mandatory technical action: replace a component per an external service bulletin (Requirement)","Short mandatory compliance window (30 days) increases operational urgency (Compliance)","Dependence on an external document and possible later DGAC‑approved revisions (Requirement)","Limited administrative discretion: AD issued by CASA delegate and contains a fixed remedy and timetable (delegate signature/Background)"],"plain_english_summary":"**What it does:** Requires replacement of the engine‑nacelle hydraulic shut‑off valve on Dassault Falcon 2000 aircraft (S/N 2–132 except 123, 130, 131) because the valve actuator motor can continue to run and overheat.\n\nWho pays and how it works: Aircraft owners/operators must, within 30 days of the AD effective date (11 May 2006), carry out the replacement per Dassault SBF2000-223 (or later DGAC‑approved revision); the Civil Aviation Safety Authority delegate issued the directive."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive addressing a specific mechanical defect in a specific aircraft model range. It has not expanded beyond its original purpose of mandating a valve replacement to prevent fire-related failures."},"complexity_factors":["Very short document (approximately 200 words of substantive content)","Only 4 defined elements: applicability range, compliance deadline, technical reference (SB F2000-223), and effective date","Single operational requirement with no nested conditions or exceptions beyond the serial number carve-outs","No cross-references to other legislation or complex conditional logic","Straightforward cause-and-effect: identified hazard → mandated remedy → clear deadline"],"plain_english_summary":"This AD requires owners/operators of certain Dassault Falcon 2000 jets (serials 2–132, with limited exceptions) to replace a faulty hydraulic shut-off valve within 30 days after 11 May 2006 (about 10 June 2006).  \n\nThe valve’s motor can overheat and fail—preventing hydraulic isolation in an engine fire—so replacement must follow Dassault Service Bulletin F2000‑223 (or an approved equivalent). Compliance is mandatory; noncompliance grounds the aircraft."},"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-f2000-12-hydraulic-shut-off-valve","history":"/api/acts/ad-f2000-12-hydraulic-shut-off-valve/history","analysis":"/api/acts/ad-f2000-12-hydraulic-shut-off-valve/analysis","conflicts":"/api/acts/ad-f2000-12-hydraulic-shut-off-valve/conflicts","importantCases":"/api/acts/ad-f2000-12-hydraulic-shut-off-valve/important-cases","documents":"/api/acts/ad-f2000-12-hydraulic-shut-off-valve/documents"}}