{"id":"F2006B10033","name":"AD/G1159/30 - Fuselage, Rudder Actuator Structural Attachment Points - Inspection","slug":"ad-g1159-30-fuselage-rudder-actuator-structural-attachment-points-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":55439,"registerId":"commonwealth-F2006B10033-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/G1159/30 - Fuselage, Rudder Actuator Structural Attachment Points - Inspection","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)  Gulfstream (Grumman) G1159 and G-IV Series Aeroplanes\n\n \n\nAD/G1159/30 Fuselage, Rudder Actuator Structural\n\nAttachment Points - Inspection\n\n\n12/81\n\n \n\nApplicability: All model G1159 (Gulfstream II) aeroplanes which have achieved 3000 hours (or more) time in service since manufacture.\n\n \n\nDocument: Gulfstream American C.B. No. 303.\n\n \n\nCompliance: Unless already accomplished, inspect within 50 hours time in service after 10 November, 1981.\n\n \n\nBackground:  Operator reports involving the following discrepancies, elongated bolt holes, cracks and loose fasteners in the rudder actuator attachment area, have been received 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","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1588},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow scope as a targeted safety response to specific manufacturer reports. It addresses only the identified structural defect in a single aircraft model without expanding into broader fleet mandates or operational restrictions."},"complexity_factors":["Single, specific operational requirement (one inspection only)","Clear binary applicability test (aircraft model + 3,000 hour threshold)","Simple compliance deadline (fixed date plus flight hours buffer)","No nested exceptions, conditional clauses, or internal cross-references","Relies on external technical standard (Gulfstream Service Bulletin) for detailed procedures rather than legislating the inspection method"],"plain_english_summary":"Owners and operators of Gulfstream II (G1159) jets with 3,000+ flight hours must urgently inspect the rudder-actuator attachment to the fuselage within 50 flight hours after 10 Nov 1981. The mandatory check looks for elongated/worn bolt holes, cracks in surrounding structure, and loose fasteners. This Airworthiness Directive targets a reported risk of structural degradation that could impair rudder control and create a serious flight-safety hazard."}},"importantCases":[],"_links":{"self":"/api/acts/ad-g1159-30-fuselage-rudder-actuator-structural-attachment-points-inspection","history":"/api/acts/ad-g1159-30-fuselage-rudder-actuator-structural-attachment-points-inspection/history","analysis":"/api/acts/ad-g1159-30-fuselage-rudder-actuator-structural-attachment-points-inspection/analysis","conflicts":"/api/acts/ad-g1159-30-fuselage-rudder-actuator-structural-attachment-points-inspection/conflicts","importantCases":"/api/acts/ad-g1159-30-fuselage-rudder-actuator-structural-attachment-points-inspection/important-cases","documents":"/api/acts/ad-g1159-30-fuselage-rudder-actuator-structural-attachment-points-inspection/documents"}}