{"id":"F2006B05120","name":"AD/CESSNA 185/29 - Fuel Vent Tube","slug":"ad-cessna-185-29-fuel-vent-tube","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":45136,"registerId":"commonwealth-F2006B05120-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 185/29 - Fuel Vent Tube","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\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)  Cessna 185 Series Aeroplanes\n\n \n\nAD/CESSNA 185/29 Fuel Vent Tube 9/78\n\nApplicability: Model 185 with S/Nos. 18503154 to 18503524. Requirement:  Action in accordance with Cessna SL No. SE78-40. Compliance:               Within 100 hours time in service after 30 September 1978.\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\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2078},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a targeted technical directive addressing a specific safety defect in a limited production run of aircraft. The scope remains appropriately narrow, applying only to the specified serial numbers and specific component (fuel vent tube)."},"complexity_factors":["Extremely short document (under 100 words of substantive text)","Narrow applicability limited to specific aircraft serial number range","Single external reference to manufacturer service letter","No defined terms or legislative cross-references","Simple three-part structure: Applicability → Requirement → Compliance"],"plain_english_summary":"This is a **mandatory safety order** (called an Airworthiness Directive) that requires owners of specific Cessna aircraft to fix a defect in the **fuel vent tube** — the pipe that allows air to enter the fuel tank as fuel is consumed.\n\n**Who it affects:**\n- Owners and operators of **Cessna 185 model aircraft** with serial numbers between **18503154 and 18503524**\n\n**What must be done:**\n- Inspect and repair the fuel vent tube following the exact instructions in **Cessna Service Letter No. SE78-40** (a technical bulletin from the plane's manufacturer)\n\n**Deadline:**\n- Complete the work within **100 hours of flight time** after 30 September 1978\n\n**Why it matters:**\nDamaged or blocked fuel vent tubes can cause fuel leaks, fuel starvation, or fire hazards during flight."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-185-29-fuel-vent-tube","history":"/api/acts/ad-cessna-185-29-fuel-vent-tube/history","analysis":"/api/acts/ad-cessna-185-29-fuel-vent-tube/analysis","conflicts":"/api/acts/ad-cessna-185-29-fuel-vent-tube/conflicts","importantCases":"/api/acts/ad-cessna-185-29-fuel-vent-tube/important-cases","documents":"/api/acts/ad-cessna-185-29-fuel-vent-tube/documents"}}