{"id":"F2006B05852","name":"AD/PA-32/55 - Engine Cowling - Drain Hole Provision","slug":"ad-pa-32-55-engine-cowling-drain-hole-provision","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":135876,"registerId":"commonwealth-F2006B05852-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-32/55 - Engine Cowling - Drain Hole Provision","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-32 (Cherokee Six) Series Aeroplanes\n\n \n\nAD/PA-32/55 Engine Cowling - Drain Hole Provision 2/78\n\nApplicability: Model PA32-260 with S/Nos. 32-1 to 32-7700016. Document:  Piper SB No. 580.\n\nCompliance: Within 100 hours time in service after 28 February 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\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1444},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive remains tightly scoped to its original purpose: a specific airframe modification for a narrow range of aircraft serial numbers."},"complexity_factors":["Extremely brief text (approximately 50 words of operative content)","No definitions section or interpretation provisions","Single unconditional compliance obligation with no exceptions or exemptions","Only one external reference (Piper SB No. 580) with no internal cross-references"],"plain_english_summary":"**What it does:**\nThis directive requires owners and operators of specific Piper Cherokee Six aircraft to modify the engine cowling by adding a drain hole. The technical details are contained in Piper Service Bulletin No. 580, which is incorporated by reference (meaning the law adopts that manufacturer's document as the standard to follow).\n\n**Who it affects:**\nOnly applies to Piper PA32-260 model aircraft with serial numbers between 32-1 and 32-7700016.\n\n**Key requirement:**\nThe modification must be completed within 100 hours of flight time ('time in service') after 28 February 1978.\n\n**Why it matters:**\nDrain holes prevent dangerous accumulation of fluids (oil, fuel, or water) inside the engine cowling, which could cause engine damage or fire."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-32-55-engine-cowling-drain-hole-provision","history":"/api/acts/ad-pa-32-55-engine-cowling-drain-hole-provision/history","analysis":"/api/acts/ad-pa-32-55-engine-cowling-drain-hole-provision/analysis","conflicts":"/api/acts/ad-pa-32-55-engine-cowling-drain-hole-provision/conflicts","importantCases":"/api/acts/ad-pa-32-55-engine-cowling-drain-hole-provision/important-cases","documents":"/api/acts/ad-pa-32-55-engine-cowling-drain-hole-provision/documents"}}