{"id":"F2006B02049","name":"AD/AA-5/17 - Structural and Control Surface Bondlines - Inspection","slug":"ad-aa-5-17-structural-and-control-surface-bondlines-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41271,"registerId":"commonwealth-F2006B02049-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/AA-5/17 - Structural and Control Surface Bondlines - Inspection","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-description: CASA Airworthiness Directive\nmeta-generator: Aspose.Words for .NET 22.10.0\nmeta-keywords: Issue NK,Aircraft below 5700 kg,Gulfstream (Grumman American/ American Aviation) AA-5 Series Aeroplanes,Structural and Control Surface Bondlines - Inspection,17\ntitle: Airworthiness Directive - AD/AA-5/17 - Structural and Control Surface Bondlines - Inspection\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)  Gulfstream (Grumman American/ American Aviation) AA-5 Series Aeroplanes\n\n \n\nAD/AA-5/17 Structural and Control Surface NK\n\nBondlines - Inspection\n\n \n\nApplicability: Model AA5 with S/Nos. 0001 and subs. Model AA-5A with S/Nos. 0001 to 0196.\n\nModel AA-5B with S/Nos. 0001 to 0324.\n\n \n\nDocument: 1. Grumman American SB No. 155; or 2. FAA AD 76-17-03.\n\nCompliance: Within 25 hours’ time in service after 21 September 1976 and there- after at intervals not exceeding 100 hours’ time in service until modified in accordance with SB No.\n\n155.\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":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The AD confines obligations to the specified AA‑5 series aircraft and serial numbers and prescribes inspection intervals until modification; it does not broaden applicability or add new operating restrictions beyond inspection and modification requirements (see Applicability; Compliance)."},"complexity_factors":["Narrow applicability: specific models and serial numbers listed (Applicability).","Clear, short compliance timing: initial 25 hours, repeating every 100 hours until modification (Compliance).","Dependency on external technical documents: compliance tied to Grumman American SB No.155 or FAA AD 76‑17‑03 (Document).","Termination mechanism: repetitive inspections cease only upon modification per the Service Bulletin, creating a binary ongoing/ended compliance state.","Technical execution burden: inspections likely require trained personnel and access to bondlines, imposing time and labour costs on owners/operators.","Recordkeeping and scheduling burden: frequent inspections at 100‑hour intervals increase administrative tracking for owners/operators."],"plain_english_summary":"This Airworthiness Directive requires owners/operators of specified Gulfstream (Grumman American/American Aviation) AA‑5, AA‑5A and AA‑5B aeroplanes (listed serial numbers) to inspect structural and control-surface bondlines within 25 hours’ time‑in‑service after 21 September 1976 and then at intervals not exceeding 100 hours until the aircraft is modified per Grumman American SB No.155 or FAA AD 76‑17‑03. It matters because the inspections and required modification shift inspection costs and labour onto aircraft owners and remove the repetitive inspection obligation once the SB modification is carried out."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a historical Airworthiness Directive from 1976 with a tightly scoped, single-purpose safety mandate. It has not expanded beyond its original intent of addressing bondline inspection requirements for specific early-production AA-5 aircraft."},"complexity_factors":["Very short document (approximately 150 words of substantive content)","Only 3 defined applicability criteria (specific aircraft models and serial number ranges)","Single compliance pathway with clear time triggers (25 hours initial, 100 hours recurring)","Only 2 external document references (Service Bulletin 155 and FAA AD 76-17-03)","No nested exceptions, conditional logic, or cross-references to other legislation","Straightforward termination condition (modification per SB 155 ends the requirement)"],"plain_english_summary":"This CASA Airworthiness Directive requires owners/operators of early-production Gulfstream AA-5, AA-5A and AA-5B light aircraft to inspect structural and control-surface bondlines for deterioration to prevent bondline failure and loss of control. Initial inspection is required soon after the AD’s effective date, with repeat checks at regular flight-hour intervals until the aircraft is modified per Grumman American Service Bulletin No. 155, which eliminates the need for further inspections."}},"importantCases":[],"_links":{"self":"/api/acts/ad-aa-5-17-structural-and-control-surface-bondlines-inspection","history":"/api/acts/ad-aa-5-17-structural-and-control-surface-bondlines-inspection/history","analysis":"/api/acts/ad-aa-5-17-structural-and-control-surface-bondlines-inspection/analysis","conflicts":"/api/acts/ad-aa-5-17-structural-and-control-surface-bondlines-inspection/conflicts","importantCases":"/api/acts/ad-aa-5-17-structural-and-control-surface-bondlines-inspection/important-cases","documents":"/api/acts/ad-aa-5-17-structural-and-control-surface-bondlines-inspection/documents"}}