{"id":"F2006B06304","name":"AD/PORSCHE/1 - Camshaft Oil Feed Pipes","slug":"ad-porsche-1-camshaft-oil-feed-pipes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":47410,"registerId":"commonwealth-F2006B06304-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PORSCHE/1 - Camshaft Oil Feed Pipes","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 - 106 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Porsche Piston Engines\n\n \n\nAD/PORSCHE/1 Camshaft Oil Feed Pipes 1/88 DM\n\nApplicability: Porsche 930/67 engines fitted in SKYSHIP 600 airship with serial numbers as listed in the Requirement Document.\n\n \n\nRequirement: Embody camshaft oil feed pipe protective firesleeve (Airship Industries Modification No 723) in accordance with Skyship 600 S.B. 600-72-244 dated 1 Nov 1987.\n\n \n\nCompliance: Unless already accomplished, at the next maintenance check after 21 November 1987.\n\n \n\nBackground: This Directive is issued to reflect Airship Industries SB 660-72-244 which advises essential compliance on pre MOD 723 engines.\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":2034},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This Airworthiness Directive maintains its original narrow technical scope addressing fire risks in specific Porsche engines fitted to Skyship 600 airships. There is no evidence of scope expansion beyond the original safety modification requirement."},"complexity_factors":["Single, unambiguous technical requirement","Narrow applicability (one engine type in one airship model)","No cross-references to other legislative provisions","No conditional logic, exceptions, or defined terms","One-page document with clear compliance date"],"plain_english_summary":"**What this means:** If you operate a Skyship 600 airship with a Porsche 930/67 engine, you must wrap the camshaft oil feed pipes in a protective firesleeve (heat-resistant covering) to prevent engine fires.\n\n**Who it affects:** Operators of Skyship 600 airships with specific Porsche engine serial numbers (listed in the Requirement Document).\n\n**What you must do:** Install the protective firesleeve modification (Airship Industries Modification No 723) following Skyship 600 Service Bulletin 600-72-244 dated 1 November 1987.\n\n**Deadline:** Complete by the next maintenance check after 21 November 1987, unless already done.\n\nThis is a targeted safety fix issued after the manufacturer identified a fire risk in these specific engines."}},"importantCases":[],"_links":{"self":"/api/acts/ad-porsche-1-camshaft-oil-feed-pipes","history":"/api/acts/ad-porsche-1-camshaft-oil-feed-pipes/history","analysis":"/api/acts/ad-porsche-1-camshaft-oil-feed-pipes/analysis","conflicts":"/api/acts/ad-porsche-1-camshaft-oil-feed-pipes/conflicts","importantCases":"/api/acts/ad-porsche-1-camshaft-oil-feed-pipes/important-cases","documents":"/api/acts/ad-porsche-1-camshaft-oil-feed-pipes/documents"}}