{"id":"F2006B08127","name":"AD/CESSNA 303/11 Amdt 3 - Inlet Fuel Valve Assembly","slug":"ad-cessna-303-11-amdt-3-inlet-fuel-valve-assembly","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115252,"registerId":"commonwealth-F2006B08127-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 303/11 Amdt 3 - Inlet Fuel Valve Assembly","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nCessna T303 Series Aeroplanes\n\nAD/CESSNA 303/11\n\nAmdt 3\n\n  \nInlet Fuel Valve Assembly 7/95\n\nApplicability: All Cessna T303 S/N T30300001 thru T30300315 series aircraft.\n\nRequirement: 1. Unless previously carried out manufacture a placard with the following words in letters at 3.0 mm in height “ROLLING TURNING TAKE-OFFS ARE PROHIBITED”. Install this placard within the pilot’s clear view on the instrument panel.\n\n2. Action in accordance with Cessna Service Bulletin MEB93-10 Revision 1\\. Compliance: 1. By 25 June 1995.\n\n2. As specified in the Requirement Document with a revised effective date of 22 June 1995.\n\nNote: If any valve fails to close during functional testing and an outside stimulus is used to close the valve, such as thumping or bumping the wing near the valve, then the valve has failed the functional test and should be removed and inspected prior to further flight.\n\nBackground: The failure to seal of a fuel inlet valve is suspected to have caused the fatal accident of an overseas Cessna 402C aircraft. Amendment 2 was raised in sequence to advise maintenance staff that Cessna MEB92-13 was being retained as the inspection document following issue of Cessna MEB 92-13 Revision 1. Also that FAA AD 93- 05-03 was an alternate means of compliance. This amendment mandates compliance with Revision 1 of Cessna MEB 93-10.","sortOrder":0}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This Airworthiness Directive maintains its original narrow scope — addressing a specific mechanical defect in a specific aircraft model. The amendments (this is Amendment 3) have only updated the technical reference documents (Cessna service bulletins) and clarified compliance methods, without expanding beyond the original safety purpose of addressing inlet fuel valve assembly failures."},"complexity_factors":["Very short document (approximately 250 words)","Only 2 main requirements with clear, specific actions","Minimal defined terms (only standard aviation terminology like 'S/N' for serial number)","No nested conditional logic or cross-referencing to other legislation","Single amendment track with straightforward background explanation","Clear applicability statement limiting scope to specific aircraft serial numbers"],"plain_english_summary":"This CASA Airworthiness Directive targets Cessna T303 series (S/N T30300001–T30300315), requiring a cockpit placard: “ROLLING TURNING TAKE-OFFS ARE PROHIBITED,” and mandated maintenance per Cessna Service Bulletin MEB93‑10 Rev 1 to inspect/repair the inlet fuel valve assembly. Issued after a fatal accident linked to a fuel‑inlet valve failure, it affects owners/operators and maintainers; valves that need to be “thumped” to close are failed and must be removed and inspected."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"Amendment 3 mandates compliance with Cessna Service Bulletin MEB93‑10 Revision 1 and sets a revised effective date, replacing the prior retention of Cessna MEB92‑13 and references to FAA AD alternate compliance. In practical terms, the required compliance document and the specific mandated actions were changed from earlier amendments, altering the technical means by which operators must achieve compliance."},"complexity_factors":["Narrow applicability to a single model and specified serial-number range reduces scope complexity.","Only two principal mandatory actions (placard fitment and service-bulletin work) keeps procedural complexity low.","Dependence on an external technical document (Cessna MEB93‑10 Revision 1) creates an implementation dependency and potential for version-control issues.","Fixed compliance deadlines impose operational scheduling and possible aircraft downtime for owners/operators.","Technical failure-handling (valve removal/inspection if functional test requires external stimulus) creates discretionary maintenance action and additional labour/cost.","History of prior amendments and references to alternate FAA ADs introduces a legacy-compliance trace that maintenance organisations must reconcile with current requirements."],"plain_english_summary":"Requires all Cessna T303 aeroplanes (S/N T30300001–T30300315) to have a cockpit placard prohibiting rolling/turning take‑offs and to be inspected/serviced in accordance with Cessna Service Bulletin MEB93‑10 Revision 1. The action responds to suspected inlet fuel‑valve sealing failures linked to an overseas accident. Aircraft owners/operators and maintenance providers pay for and carry out the placard fitment and the inspections/repairs, must meet the stated compliance dates, and must remove and inspect valves that fail functional tests (see Note)."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-303-11-amdt-3-inlet-fuel-valve-assembly","history":"/api/acts/ad-cessna-303-11-amdt-3-inlet-fuel-valve-assembly/history","analysis":"/api/acts/ad-cessna-303-11-amdt-3-inlet-fuel-valve-assembly/analysis","conflicts":"/api/acts/ad-cessna-303-11-amdt-3-inlet-fuel-valve-assembly/conflicts","importantCases":"/api/acts/ad-cessna-303-11-amdt-3-inlet-fuel-valve-assembly/important-cases","documents":"/api/acts/ad-cessna-303-11-amdt-3-inlet-fuel-valve-assembly/documents"}}