{"id":"F2006B04264","name":"AD/BEECH 90/8 Amdt 1 - Lower Rudder Hinge Assembly - Inspection","slug":"ad-beech-90-8-amdt-1-lower-rudder-hinge-assembly-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44065,"registerId":"commonwealth-F2006B04264-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 90/8 Amdt 1 - Lower Rudder Hinge Assembly - 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)  Beechcraft 90 and 65-90 (King Air) Series Aeroplanes\n\n \n\nAD/BEECH 90/8\n\nAmdt 1\n\n\nLower Rudder Hinge Assembly - Inspection 6/69\n\n \n\nApplicability: Models 65-90, 65-A90 & B90 with S/Nos. LJ-1 to LJ-438. Document:  Beechcraft SI No. 0170-131.\n\nCompliance: Within 100 hours’ time in service after 6 June 1969.\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":2046},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"As Amendment 1 to the original 1969 directive"},"complexity_factors":["Single-page document with fewer than 100 words of substantive text","No interpretation section or defined terms","Simple applicability limited to three specific aircraft models identified by serial number range","Single compliance action with one unambiguous deadline (time-in-service hours)","No exceptions, exemptions, or nested conditional logic"],"plain_english_summary":"**What this requires:** Owners of specific Beechcraft King Air aircraft must inspect the lower rudder hinge assembly — the mechanical pivot point that connects the rudder (the vertical steering surface on the tail) to the aircraft body.\n\n**Who is affected:** Operators of Beechcraft models 65-90, 65-A90, and B90 with serial numbers ranging from LJ-1 to LJ-438.\n\n**What must be done:**\n- Follow the inspection procedures outlined in **Beechcraft Service Instruction No. 0170-131**\n- Complete the inspection within **100 hours of flight time** after 6 June 1969\n\n**Why it matters:** This safety check prevents the rudder from becoming detached or jamming during flight, which could cause loss of directional control."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-90-8-amdt-1-lower-rudder-hinge-assembly-inspection","history":"/api/acts/ad-beech-90-8-amdt-1-lower-rudder-hinge-assembly-inspection/history","analysis":"/api/acts/ad-beech-90-8-amdt-1-lower-rudder-hinge-assembly-inspection/analysis","conflicts":"/api/acts/ad-beech-90-8-amdt-1-lower-rudder-hinge-assembly-inspection/conflicts","importantCases":"/api/acts/ad-beech-90-8-amdt-1-lower-rudder-hinge-assembly-inspection/important-cases","documents":"/api/acts/ad-beech-90-8-amdt-1-lower-rudder-hinge-assembly-inspection/documents"}}