{"id":"F2006B05341","name":"AD/P68/14 - Fuel Pump Cooling Shroud - Modification","slug":"ad-p68-14-fuel-pump-cooling-shroud-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":45837,"registerId":"commonwealth-F2006B05341-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/P68/14 - Fuel Pump Cooling Shroud - Modification","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)  Partenavia P68 Series Aeroplanes\n\n \n\nAD/P68/14 Fuel Pump Cooling Shroud - Modification NK\n\nApplicability: All models P68 and P68B with S/Nos. below 184. Document:  Partenavia SB No. 38, Rev. 1.\n\nCompliance: Within 100 hours time in service after 31st January 1979.\n\n \n\nBackground:  To reduce the possibility of fuel vapour locks during high ambient temperatures an improved fuel pump cooling shroud has now been developed by the manufacturer.\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":1532},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow scope targeting only the fuel pump cooling shroud modification for specific Partenavia P68 aircraft as originally intended."},"complexity_factors":["Single, unambiguous modification requirement","Narrow applicability limited to specific aircraft serial numbers","Reference to external technical document (Service Bulletin)","Minimal conditional logic or exceptions"],"plain_english_summary":"**What this directive does**\n\nThis is a mandatory safety rule for owners and operators of specific Italian-made aircraft — the **Partenavia P68 and P68B** models with serial numbers below 184.\n\n**What you must do**\n\nYou must install an improved **fuel pump cooling shroud** (a protective cover that prevents the fuel pump from overheating) according to the manufacturer's instructions in *Partenavia Service Bulletin No. 38, Revision 1*.\n\n**Why it matters**\n\nThe modification prevents **fuel vapour locks** — a dangerous condition where fuel boils and turns to vapour in the fuel lines during hot weather, potentially causing the engine to lose power or stall.\n\n**Compliance deadline**\n\nThe work had to be completed within **100 hours of flight time** after 31 January 1979. (While this date has passed, the directive remains legally binding for any affected aircraft still in operation that have not yet been modified.)"}},"importantCases":[],"_links":{"self":"/api/acts/ad-p68-14-fuel-pump-cooling-shroud-modification","history":"/api/acts/ad-p68-14-fuel-pump-cooling-shroud-modification/history","analysis":"/api/acts/ad-p68-14-fuel-pump-cooling-shroud-modification/analysis","conflicts":"/api/acts/ad-p68-14-fuel-pump-cooling-shroud-modification/conflicts","importantCases":"/api/acts/ad-p68-14-fuel-pump-cooling-shroud-modification/important-cases","documents":"/api/acts/ad-p68-14-fuel-pump-cooling-shroud-modification/documents"}}