{"id":"F2006B07875","name":"Airworthiness Directives 2004 - Revocation and Remaking - Fuel Supply and Metering Equipment","slug":"airworthiness-directives-2004-revocation-and-remaking-fuel-supply-and-metering-equipment","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50863,"registerId":"commonwealth-F2006B07875-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Airworthiness Directives 2004 - Revocation and Remaking - Fuel Supply and Metering Equipment","content":"Airworthiness Directives 2004\n\nI, DAVID ALAN VILLIERS, delegate of the Civil Aviation Safety\n\nAuthority, acting under subregulation 39.001 (1) of the Civil\n\nAviation Safety Regulations 1998:\n\n(a) revoke the Airworthiness Directives mentioned in\n\nSchedule 1; and\n\n(b) make, as separate instruments, each Airworthiness\n\nDirective mentioned in Schedule 1 and attached.\n\n![](image.001.png)\n\nDavid Villiers\n\nDelegate of the Civil Aviation Safety Authority\n\n20 December 2004\n\nNote: Each attached Airworthiness Directive is being re-made in exactly the\n\nsame form as appears in the latest published edition of the Directive.\n\n  \nSchedule 1 Revocation and Remaking of\n\nAirworthiness Directives\n\nFuel Supply and Metering Equipment\n\nAD Name AD Number\n\nMarvel Schebler Carburettor Venturi - Inspection - CANCELLED AD/FSM/1 Amdt 1\n\nMarvel Schebler Carburettor Throttle Lever P/N 12A341 - CANCELLED AD/FSM/2\n\nMarvel Schebler Carburettor Float - Modification - CANCELLED AD/FSM/3\n\nMarvel Schebler Carburettor Float Bracket Attach Screws - Modification - AD/FSM/4 Amdt 1\n\nCANCELLED - CANCELLED AD/FSM/5\n\nFuel Pump Relief Valve - Inspection - CANCELLED AD/FSM/6\n\nMarvel Schebler Carburettors Bowl Cover Screws Safety Locking - CANCELLED AD/FSM/7 Amdt 1\n\nCANCELLED - CANCELLED AD/FSM/8\n\nMarvel Schebler Carburettor - Throttle Shaft Modification - CANCELLED AD/FSM/9 Amdt 1\n\nMarvel Schebler Carburettors - Float Valve Assembly - CANCELLED AD/FSM/10\n\nMarvel Schebler Carburettors - Float Valve Assembly - CANCELLED AD/FSM/11 Amdt 1\n\nMarvel Schebler Carburettor Float Modification - CANCELLED AD/FSM/12\n\nGeneral Electric Engine Driven Fuel Pump Spline - Inspection - CANCELLED AD/FSM/13\n\nMarvel Schebler Carburettors - Drain Plug - Inspection - CANCELLED AD/FSM/14\n\nMarvel Schebler (Facet rospace Products Co.) Carburettors - Throttle Arm AD/FSM/15 Amdt 2\n\nVickers Vane Pump Drive Shaft - Inspection - CANCELLED AD/FSM/16\n\nBendix Fuel Injector - Air Diaphragm P/N 2529470 - Inspections - AD/FSM/17\n\nMarvel Schebler Carburettor - Inspection - CANCELLED AD/FSM/18\n\nBendix Fuel Injection System Regulator Stem Nut - Inspection - Crimp Locking AD/FSM/19 Amdt 2\n\nBendix Injector Mixture Control Shaft - Modification - CANCELLED AD/FSM/20\n\nTrw Inc. (Thompson Products) Engine Driven Fuel Pump (Model TF 1900) - AD/FSM/21\n\nPOSA Carburettor - Modification AD/FSM/22\n\nCANCELLED - CANCELLED AD/FSM/23\n\nMetering Sleeve - MA-3PA Carburettors - CANCELLED AD/FSM/24\n\nLear Romec Fuel Pumps AD/FSM/25 Amdt 4\n\nAir Metering Stop Pin P/N 62-226 Fitted to MA4-5, MA-5 and MA-6 Series AD/FSM/26\n\nO-Ring Damage on Bendix RSA-7AA Servo Fuel Injector - CANCELLED AD/FSM/27\n\nHamilton Standard JFC118 Fuel Leak Inspection AD/FSM/28\n\nOne Piece Primary and Main Venturi AD/FSM/29 Amdt 1\n\nMixture Control Shaft Retention Screw AD/FSM/30","sortOrder":0}],"analysis":{"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"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The instrument does not change the substantive content of the listed Airworthiness Directives. It administratively revokes the listed ADs and reissues each as a separate instrument in the same form as the latest published edition (see Note and Schedule 1), so affected parties’ obligations remain materially the same while administrative form and tracking change."},"complexity_factors":["Administrative revocation and re-issuance of multiple ADs as separate instruments increases record‑keeping and tracking requirements for affected parties.","Schedule 1 lists many ADs with mixed statuses (CANCELLED, Amdt entries), creating potential ambiguity about which instruments remain active.","Remaking ‘‘in exactly the same form as the latest published edition’’ requires users to consult external, published editions to determine current obligations.","Action taken by a CASA delegate under subregulation 39.001(1) concentrates decision authority in delegated administrative power.","Attachments (the remade ADs) are separate instruments; compliance obligations shift from a consolidated instrument to multiple standalone instruments."],"plain_english_summary":"This instrument revokes the Airworthiness Directives listed in Schedule 1 and remakes each listed Directive as a separate instrument in the same form as its latest published edition. The CASA delegate does this under subregulation 39.001(1). It affects aircraft owners, operators, maintenance organisations and manufacturers involved with fuel supply and metering equipment, who must continue to comply with the remade ADs and bear the administrative and compliance costs of tracking and implementing them."},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"The instrument explicitly states it is remaking the directives \"in exactly the same form as appears in the latest published edition.\" This is a pure legislative machinery provision to transfer existing requirements to a new regulatory framework without altering scope, substance, or coverage."},"complexity_factors":["Simple, single-purpose administrative instrument with only two operative provisions (revocation and remaking)","No conditional logic or nested exceptions in the main instrument itself","Heavy reliance on external documents (the 30 attached Airworthiness Directives are not reproduced in full)","Minimal defined terms (only standard regulatory references like \"subregulation 39.001(1)\")","Straightforward tabular schedule listing directive names and numbers","Note clarifies that technical content remains unchanged, reducing interpretive burden"],"plain_english_summary":"This instrument cancels 30 existing Airworthiness Directives for fuel-system components and immediately remakes them in identical form under the newer Civil Aviation Safety Regulations 1998. It’s a legal housekeeping measure to preserve mandatory safety obligations without changing technical requirements.\n\nIt affects aircraft owners, operators and maintenance personnel working on the listed carburettors, pumps and injectors, who must continue complying with the unchanged directives."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-fuel-supply-and-metering-equipment","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-fuel-supply-and-metering-equipment/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-fuel-supply-and-metering-equipment/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-fuel-supply-and-metering-equipment/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-fuel-supply-and-metering-equipment/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-fuel-supply-and-metering-equipment/documents"}}