{"id":"F2007L02566","name":"AD/SF340/101 - Wing Upper Panel Fuel Tank Access Doors","slug":"ad-sf340-101-wing-upper-panel-fuel-tank-access-doors","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":68258,"registerId":"commonwealth-F2007L02566-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"SAAB SF340 Series Aeroplanes","sectionType":"division","heading":"SAAB SF340 Series Aeroplanes","content":"### SAAB SF340 Series Aeroplanes\n\n| AD/SF340/101 | Wing Upper Panel Fuel Tank Access Doors | 9/2007 |\n| ------------ | --------------------------------------- | ------ |\n\n| Applicability: | Model SF340A and 340B aircraft, serial numbers 004 through 401.                                                                                                  |\n| -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Incorporate Modification 2762 in accordance with SAAB Service Bulletin340-57-031 original issue, or later EASA approved revision.Note: EASA AD 2007-0168 refers. |\n| Compliance:    | Within 72 months after 30 August 2007, unless already accomplished.                                                                                              |\n|                | This Airworthiness Directive becomes effective on 30 August 2007.                                                                                                |\n| Background:    | This Directive mandates the modification of improving the sealing of fuel access doors, as a consequence of the design review of fuel tank safety.               |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n11 July 2007","sortOrder":0},{"sectionNumber":"AD/SF340/101","sectionType":"part","heading":"AD/SF340/101","content":"## AD/SF340/101","sortOrder":1},{"sectionNumber":"Wing Upper Panel Fuel Tank Access Doors","sectionType":"part","heading":"Wing Upper Panel Fuel Tank Access Doors","content":"## Wing Upper Panel Fuel Tank Access Doors","sortOrder":2},{"sectionNumber":"9/2007","sectionType":"part","heading":"9/2007","content":"## 9/2007","sortOrder":3}],"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 safety modification. It has not expanded beyond its original purpose of addressing fuel tank access door sealing on the specified aircraft models."},"complexity_factors":["Single, specific technical requirement (one modification)","No defined terms section or interpretation provisions","Minimal conditional logic (only one exception: 'unless already accomplished')","No cross-references to other legislation (only references technical documents: SAAB Service Bulletin and EASA AD)","Extremely short document (approximately 150 words of substantive content)","Clear applicability criteria (specific model numbers and serial number range)"],"plain_english_summary":"This mandatory CASA Airworthiness Directive requires owners/operators of SAAB SF340A/B (serials 004–401) to install Modification 2762, per SAAB Service Bulletin 340‑57‑031, to upgrade seals on wing fuel tank access doors. Carried out within 72 months from 30 Aug 2007 (unless already done), the measure addresses fuel‑seal integrity to reduce leak, vapour and fire/explosion risk. Compliance is legally required."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive sets a clear, limited scope: modify wing upper panel fuel tank access doors on listed SF340A/B serial numbers by incorporating Mod 2762 per the referenced Service Bulletin. The instrument does not indicate an expansion or narrowing of that scope beyond the stated applicability and referenced documents."},"complexity_factors":["Narrow applicability by specific models and serial-number range (Applicability).","Single, specified technical change: incorporate Modification 2762 (Requirement).","Dependence on external technical document — SAAB Service Bulletin 340-57-031 or later EASA‑approved revision — adds coordination and document-version risk (Requirement).","Cross-reference to EASA AD 2007-0168 creates regulatory linkage to another authority (Requirement/Note).","Fixed compliance window of 72 months from 30 August 2007 imposes a schedule constraint on operators (Compliance).","AD states outcome (improved sealing) but omits cost, tooling, or man-hour estimates — operational implementation left to operators/maintenance organisations (Background/Compliance)."],"plain_english_summary":"This Airworthiness Directive requires operators of SAAB SF340A and 340B aircraft (serial numbers 004–401) to install Modification 2762 to improve sealing of the wing upper panel fuel tank access doors, by following SAAB Service Bulletin 340-57-031 or a later EASA‑approved revision. (Requirement; Applicability)\n\nAircraft owners/operators must complete the modification within 72 months after 30 August 2007; the AD references an EASA AD and provides no cost or method details, so operators must rely on the Service Bulletin and approved revisions for implementation. (Compliance; Background)"},"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"}},"importantCases":[],"_links":{"self":"/api/acts/ad-sf340-101-wing-upper-panel-fuel-tank-access-doors","history":"/api/acts/ad-sf340-101-wing-upper-panel-fuel-tank-access-doors/history","analysis":"/api/acts/ad-sf340-101-wing-upper-panel-fuel-tank-access-doors/analysis","conflicts":"/api/acts/ad-sf340-101-wing-upper-panel-fuel-tank-access-doors/conflicts","importantCases":"/api/acts/ad-sf340-101-wing-upper-panel-fuel-tank-access-doors/important-cases","documents":"/api/acts/ad-sf340-101-wing-upper-panel-fuel-tank-access-doors/documents"}}