{"id":"F2006B01895","name":"AD/A320/15 - Low Pressure Fire Fuel Shut-Off Valve","slug":"ad-a320-15-low-pressure-fire-fuel-shut-off-valve","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41091,"registerId":"commonwealth-F2006B01895-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/A320/15 - Low Pressure Fire Fuel Shut-Off Valve","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-description: CASA Airworthiness Directive\nmeta-generator: Aspose.Words for .NET 22.10.0\nmeta-keywords: Issue 2/1991,Aircraft above 5700 kg,Airbus Industrie A319, A320 and A321 Series Aeroplanes,Low Pressure Fire Fuel Shut-Off Valve,15\ntitle: Airworthiness Directive - AD/A320/15 - Low Pressure Fire Fuel Shut-Off Valve\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Airbus Industrie A319, A320 and A321 Series Aeroplanes\n\n \n\nAD/A320/15 Low Pressure Fire Fuel Shut-Off Valve 2/91\n\nApplicability: A320, all models.\n\n \n\nRequirement: Inspect and/or modify subject aeroplanes IAW French AD 90-190-015(B).\n\nNote: French AD 90-190-015(B) refers to Airbus Industrie SB A320-28-1028 rev.1.\n\nCompliance: As per Requirement Document.\n\n \n\nBackground: To avoid an incorrect closure of the low pressure shut-off valves in the low pressure fuel shut-off valve actuator.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard, narrow airworthiness directive focused on a specific technical defect in a specific aircraft type. It has not expanded beyond its original safety purpose."},"complexity_factors":["Very short document (approximately 150 words)","Only 1 defined applicability (A320, all models)","Single requirement referencing external document rather than spelling out technical details","No nested conditions or exceptions","No cross-references to other legislation beyond the external French AD and Airbus service bulletin","Straightforward compliance structure ('As per Requirement Document')"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** issued by Australia's Civil Aviation Safety Authority (CASA). It applies to **Airbus A320 aircraft**.\n\n**What it does:**\n- Requires owners/operators to **inspect and/or modify** the low pressure fire fuel shut-off valves on these planes\n- The work must be done according to a specific French aviation safety directive (AD 90-190-015(B)), which in turn references an Airbus service bulletin (SB A320-28-1028 rev.1)\n\n**Why it matters:**\n- The directive addresses a safety risk where these fuel valves could **close incorrectly** (when they shouldn't), potentially cutting off fuel supply and creating a fire hazard or engine failure risk\n- Airworthiness Directives are **legally binding safety orders** — compliance is mandatory, not optional\n\n**Who it affects:**\n- Airlines and operators flying Airbus A320 aircraft in Australia\n- Maintenance organisations servicing these aircraft"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive's scope is explicit and limited to \"A320, all models\" and mandates inspection/modification per the referenced French AD and Airbus SB. The instrument contains no text indicating an expansion or narrowing of that applicability compared with the stated requirement and background (\"To avoid an incorrect closure of the low pressure shut-off valves...\")."},"complexity_factors":["Cross-reference to an external foreign directive: Requirement refers to French AD 90-190-015(B) (\"Requirement: Inspect and/or modify subject aeroplanes IAW French AD 90-190-015(B)\").","Further reference to a manufacturer service bulletin rather than including technical steps (\"Note: French AD 90-190-015(B) refers to Airbus Industrie SB A320-28-1028 rev.1\").","No implementation timeline or detailed corrective actions in the instrument itself (\"Compliance: As per Requirement Document\").","Wide applicability stated concisely (\"Applicability: A320, all models\"), which may require fleet-specific planning and parts logistics.","Regulatory placement within Civil Aviation Regulations PART 39 creates procedural compliance and oversight obligations."],"plain_english_summary":"Requires operators of all Airbus A320 series aeroplanes to inspect and, if necessary, modify the low‑pressure fire fuel shut‑off valve actuator to prevent incorrect valve closure. Compliance must follow French AD 90‑190‑015(B) and the Airbus service bulletin it references; maintenance organisations will carry out the work under established airworthiness procedures."}},"importantCases":[],"_links":{"self":"/api/acts/ad-a320-15-low-pressure-fire-fuel-shut-off-valve","history":"/api/acts/ad-a320-15-low-pressure-fire-fuel-shut-off-valve/history","analysis":"/api/acts/ad-a320-15-low-pressure-fire-fuel-shut-off-valve/analysis","conflicts":"/api/acts/ad-a320-15-low-pressure-fire-fuel-shut-off-valve/conflicts","importantCases":"/api/acts/ad-a320-15-low-pressure-fire-fuel-shut-off-valve/important-cases","documents":"/api/acts/ad-a320-15-low-pressure-fire-fuel-shut-off-valve/documents"}}