{"id":"F2006B05083","name":"AD/CESSNA 180/70 Amdt 1 - Fuel Filler Caps and Adaptors","slug":"ad-cessna-180-70-amdt-1-fuel-filler-caps-and-adaptors","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44993,"registerId":"commonwealth-F2006B05083-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 180/70 Amdt 1 - Fuel Filler Caps and Adaptors","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 180, 182 and Wren 460 Series Aeroplanes\n\nAD/CESSNA 180/70\n\nAmdt 1\n\n  \nFuel Filler Caps and Adaptors 11/88\n\nApplicability: Models with serial numbers:\n\n18030000 through 18053000 (1953-1978),\n\n18053001 through 18053203 (1979-1981) (Optional tanks only),\n\n18233000 through 18266590 (1956-1978), R18200001 through R18200583 (1978), A182-0001 through A182-0146 (1966-1974), F18200001 through F18200094 (1976-1978), FR18200001 through FR18200020 (1978);\n\nunless reduced diameter, raised filler neck fuel caps are installed on all filler openings in accordance with Cessna Service Kit SK182-85 (refer S.I.L SE 84-16).\n\nRequirement: 1. Visually inspect the wing aft of the fuel filler for indications of inflight fuel leakage.\n\n    2. Visually inspect the fuel cap locking mechanism and seals for cracking, distortion and any condition which might prevent sealing.\n\n    3. Remove the fuel filler caps and inspect the adaptor sealing face for distortion, scratches, corrosion or any condition which may prevent the cap from sealing.\n\n    4. Visually check the sealing and security of the attachment of the adaptor flange to the adaptor plate paying particular attention to the adhesive (if present) between the parts.\n\n    5. Check the fuel cap seal by actuating the locking tab and noting that force is maintained between the cap, seal and adaptor when the tab is in the over-centre locking position.\n\n    6. Conduct a fuel cap leak test in accordance with Cessna SIL SE 82-34.\n\nCompliance: Prior to the issue of the next Maintenance Release after 30 June 1985 and thereafter at each issue of a new Maintenance Release.\n\nBackground: This Amendment deletes the requirement for extensive inspection and testing of fuel filler caps against possible water ingress, for aeroplanes fitted with raised fuel filler necks.\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is a narrow, technical aviation safety directive focused on a specific mechanical component (fuel filler caps) for specific aircraft models. The amendment slightly narrows the scope by exempting modified aircraft, but remains tightly focused on its original purpose of preventing fuel leaks. No scope creep detected."},"complexity_factors":["Multiple serial number ranges with gaps and exceptions (7 distinct ranges across different years and sub-models)","Single exemption condition based on specific aftermarket modification (Cessna Service Kit SK182-85)","Six distinct inspection requirements with technical aviation terminology","Cross-reference to external Cessna technical documents (SIL SE 82-34 and S.I.L SE 84-16)","Compliance deadline tied to regulatory document cycle (Maintenance Release issuance) rather than calendar date","Amendment structure requires reading background note to understand what changed from original directive"],"plain_english_summary":"Owners/operators of specific Cessna 180, 182 and Wren 460 series aircraft must inspect and test wing fuel filler caps and adaptors to detect leaks and ensure seals, locks and fittings are sound. Aircraft upgraded with the Cessna raised filler neck kit (SK182‑85) are exempt. The checks must be done before the next maintenance release after 30 June 1985 and at each subsequent maintenance release to reduce in‑flight fuel‑leak risks."},"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":true,"description":"The Amendment narrows the inspection scope by deleting a prior requirement for extensive water‑ingress inspection for aeroplanes fitted with raised filler necks installed in accordance with Cessna Service Kit SK182‑85 (see Background). Remaining obligations require inspections and a fuel‑cap leak test (Requirements 1–6) at the next and subsequent Maintenance Releases. In practical terms, operators of exempted aircraft face reduced inspection burden, while others continue to bear recurring inspection and testing costs."},"complexity_factors":["Narrow technical scope: applies to specific models and serial number ranges (multiple blocks listed).","Conditional exemption: aircraft fitted with reduced‑diameter, raised filler neck caps per Cessna Service Kit SK182‑85 are excluded (affects applicability).","Multiple discrete inspection actions (Requirements 1–6) combining visual judgements and a leak test — introduces operator/maintainer discretion.","External references to manufacturer guidance for procedures/tests (Cessna SIL SE 82‑34 and SK182‑85, S.I.L SE 84‑16) require cross‑referencing non‑statutory material.","Compliance timing tied to Maintenance Release schedule (deadline: next Maintenance Release after 30 June 1985 and each subsequent release) affects bookkeeping and recurring costs."],"plain_english_summary":"This Airworthiness Directive requires owners/operators of specified Cessna 180/182/Wren 460 series aircraft to inspect fuel filler caps and adaptors and test for leaks (Requirements 1–6). Compliance is due at the next Maintenance Release after 30 June 1985 and at each subsequent Maintenance Release.\n\nThe Amendment removes an earlier extensive water‑ingress inspection for aircraft fitted with raised filler necks per Service Kit SK182‑85. Owners/operators pay for inspections; maintenance staff decide on visual defects and carry out the specified leak test."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-180-70-amdt-1-fuel-filler-caps-and-adaptors","history":"/api/acts/ad-cessna-180-70-amdt-1-fuel-filler-caps-and-adaptors/history","analysis":"/api/acts/ad-cessna-180-70-amdt-1-fuel-filler-caps-and-adaptors/analysis","conflicts":"/api/acts/ad-cessna-180-70-amdt-1-fuel-filler-caps-and-adaptors/conflicts","importantCases":"/api/acts/ad-cessna-180-70-amdt-1-fuel-filler-caps-and-adaptors/important-cases","documents":"/api/acts/ad-cessna-180-70-amdt-1-fuel-filler-caps-and-adaptors/documents"}}