{"id":"F2006B05929","name":"AD/PA-36/13 - Fuel Tank Vent - Inspection","slug":"ad-pa-36-13-fuel-tank-vent-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":136020,"registerId":"commonwealth-F2006B05929-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-36/13 - Fuel Tank Vent - Inspection","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)  Piper PA-36 (Pawnee Brave) Series Aeroplanes\n\n \n\nAD/PA-36/13 Fuel Tank Vent - Inspection 8/76\n\nApplicability: Model PA-36-285 with S/Nos. 36-7360001 to 36-7660043, 36-7660045 to 36-\n\n7660052, 36-7660054 to 36-7660089, 36-7660091 to 36-7660095, 36-7660097, 36-\n\n7660098, 36-7660100 and 36-7660101.\n\n \n\nRequirement: Inspect fuel tank vent line holes in accordance with Piper SB No. 508.\n\n \n\nNote: The following note should be added to paras. 9.9 and 9.13 of Piper PA-36 Service Manual: “Refer Piper SB No. 508\".\n\n \n\nCompliance: Within 100 hours time in service after 31 August 1976.\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":1903},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This directive maintains its original narrow scope as a targeted safety inspection for fuel tank vents on a specific batch of aircraft. It has not expanded beyond this original technical remediation purpose."},"complexity_factors":["Single, discrete inspection task with no ongoing reporting obligations","Narrow applicability limited to one aircraft model and specific serial number ranges","No defined terms or interpretation sections","Direct reference to external technical standard (Piper SB No. 508) without legislative cross-references","Simple calendar/flight hours compliance trigger"],"plain_english_summary":"This Airworthiness Directive (AD) mandates a one-time safety inspection for specific Piper PA-36-285 agricultural aircraft (Pawnee Brave).\n\n**Who it affects:** Owners and operators of PA-36-285 model planes with specific serial numbers ranging from 36-7360001 to 36-7660101 (excluding certain listed serials).\n\n**What it requires:**\n- **Inspect** the fuel tank vent line holes according to the procedures in Piper Service Bulletin No. 508\n- **Update** the aircraft service manual (sections 9.9 and 9.13) to include a reference to that bulletin\n\n**Compliance deadline:** Within 100 hours of flight time after 31 August 1976.\n\n**Why it matters:** Blocked fuel tank vents can create dangerous pressure imbalances in the fuel system, potentially causing engine fuel starvation, structural tank damage, or fire hazards. This directive ensures the vent lines remain unobstructed for safe agricultural operations."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-36-13-fuel-tank-vent-inspection","history":"/api/acts/ad-pa-36-13-fuel-tank-vent-inspection/history","analysis":"/api/acts/ad-pa-36-13-fuel-tank-vent-inspection/analysis","conflicts":"/api/acts/ad-pa-36-13-fuel-tank-vent-inspection/conflicts","importantCases":"/api/acts/ad-pa-36-13-fuel-tank-vent-inspection/important-cases","documents":"/api/acts/ad-pa-36-13-fuel-tank-vent-inspection/documents"}}