{"id":"F2006B04881","name":"AD/CASA/24 - Fuel Pump","slug":"ad-casa-24-fuel-pump","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44688,"registerId":"commonwealth-F2006B04881-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CASA/24 - Fuel Pump","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nCasa 212 Series Aeroplanes\n\nAD/CASA/24 Fuel Pump 2/97\n\nApplicability: All model C-212 aeroplanes equipped with Parker Aerospace (Parker Hannifin Corporation, Airborne Division) fuel pumps part number A/M 2C37-2.\n\nRequirement: 1. Inspect the fuel pump cover for evidence of arcing in accordance with Construcciones Aeronaúticas S A document COM 212-252 dated 15 July 1996.\n\n2. If evidence of arcing is found, action in accordance with paragraphs 4 through 7 inclusive of COM 212-252.\n\nNote: Spanish DGAC AD 10/96 refers.\n\nCompliance: For Requirement 1 - Within 100 hours time in service after 30 January 1997 and if evidence of arcing was not detected during the initial inspection, repeat the inspection at intervals not exceeding 300 hours time in service.\n\nFor Requirement 2 \\- Prior to further flight after the Requirement 1 inspection.\n\nCompliance with Requirement 2 constitutes terminating action for the repetitive inspections of Requirement 1.\n\nThis Airworthiness Directive becomes effective on 30 January 1997.\n\nBackground: Evidence of electrical arcing has been detected on several fuel pumps. Actions specified by this Directive are intended to provide early detection of arcing and a method designed to prevent the arcing occurring.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a targeted safety directive addressing a specific mechanical defect in a specific aircraft model. It has not expanded beyond its original purpose of ensuring fuel pump safety in CASA 212 aircraft."},"complexity_factors":["Very short document (under 300 words)","Only 1 defined term implicitly used ('time in service' - flight hours)","Simple two-step requirement structure (inspect, then fix if needed)","Single cross-reference to a Spanish technical document (COM 212-252) and a Spanish aviation authority directive (DGAC AD 10/96)","Clear compliance deadlines (100 hours, 300 hours intervals)","No nested exceptions or conditional logic beyond the basic 'if found, then fix' structure"],"plain_english_summary":"This Airworthiness Directive requires owners/operators of CASA 212 aeroplanes fitted with Parker A/M 2C37-2 fuel pumps to inspect pump covers for electrical arcing and repair any damage before flight. \n\nIt’s a mandatory safety measure for operators and maintenance engineers to prevent potential fuel ignition or fire; noncompliance grounds the aircraft. Repetitive inspections continue until a specified terminating action is accomplished."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The Directive preserves the original safety scope: detect and eliminate electrical arcing on the specified fuel pump. It does not broaden affected models or components beyond those listed (Applicability) and uses inspection plus corrective action per COM 212-252, consistent with the stated background objective."},"complexity_factors":["Narrow applicability to C-212 aeroplanes with Parker pumps P/N A/M 2C37-2 (Applicability).","Primary actions are straightforward visual inspections and prescribed corrective steps (Requirement 1 & 2).","Dependence on an external technical document (COM 212-252) for inspection and corrective procedures increases procedural reliance on that manual.","Fixed compliance intervals and a clear terminating action simplify scheduling but require operator tracking (Compliance: 100 hours / 300 hours; Requirement 2 terminating action).","Immediate operational constraint if arcing is found — repairs must be completed prior to further flight (Requirement 2).","Detection may require technical judgment to identify arcing evidence, implying a need for qualified maintenance personnel."],"plain_english_summary":"This Airworthiness Directive requires operators of CASA C-212 aeroplanes fitted with Parker fuel pumps P/N A/M 2C37-2 to inspect the pump cover for signs of electrical arcing and, if arcing is found, to carry out corrective work specified in Construcciones Aeronáuticas S A document COM 212-252. Inspections must occur within 100 hours time-in-service after 30 January 1997 and, if clear, repeat every 300 hours; any arcing found must be fixed before further flight.\n\nThe operator bears inspection and repair costs; finding arcing stops the aircraft from flying until remedied, and completing the corrective work ends the need for the repetitive checks."}},"importantCases":[],"_links":{"self":"/api/acts/ad-casa-24-fuel-pump","history":"/api/acts/ad-casa-24-fuel-pump/history","analysis":"/api/acts/ad-casa-24-fuel-pump/analysis","conflicts":"/api/acts/ad-casa-24-fuel-pump/conflicts","importantCases":"/api/acts/ad-casa-24-fuel-pump/important-cases","documents":"/api/acts/ad-casa-24-fuel-pump/documents"}}