{"id":"F2006B04036","name":"AD/BEECH 55/9 Amdt 2 - Rudder Spar and Hinges","slug":"ad-beech-55-9-amdt-2-rudder-spar-and-hinges","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43645,"registerId":"commonwealth-F2006B04036-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 55/9 Amdt 2 - Rudder Spar and Hinges","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 55, 58 and 95-55 (Baron) Series Aeroplanes\n\n \n\nAD/BEECH 55/9\n\nAmdt 2\n\n\nRudder Spar and Hinges 5/68\n\n \n\nApplicability: Models 95-55, 95-A55 and 95-B55 prior to S/No. TC-1043 and Model 95-C55 prior to S/No. TE-452.\n\n \n\nRequirement: Action in accordance with Beechcraft SB 67-34, Rev. 1.\n\n \n\nCompliance: Inspect for cracking within 100 hours’ time in service from 16 May 1978 and thereafter at intervals not exceeding 100 hours’ time in service until modified. Modify and inspect for alignment within 300 hours’ time in service from 16 May 1968.\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":2372},"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"Amendment 2 maintains the original scope focused on rudder spar and hinge integrity for specified Beechcraft models, likely updating compliance timeframes or reference document revisions without expanding the aircraft coverage or safety purpose."},"complexity_factors":["References external technical document (Beechcraft Service Bulletin 67-34, Rev. 1) without reproducing its engineering specifications","Uses aviation-specific terminology ('time in service', 'S/No.', 'SB') requiring domain knowledge to interpret","Contains potential date ambiguity between 1968 and 1978 that could affect compliance calculations","Applicability depends on precise serial number cutoffs requiring cross-referencing with aircraft records"],"plain_english_summary":"This directive requires repetitive 100‑hour inspections of the rudder spar and hinges on older Beechcraft Baron models (95‑55/A55/B55 before TC‑1043 and 95‑C55 before TE‑452) and mandates a permanent design modification per Beechcraft Service Bulletin 67‑34, Rev. 1, to prevent fatigue cracking and possible loss of control.\n\nIt matters because early detection and a required retrofit eliminate progressive structural failure risks."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-55-9-amdt-2-rudder-spar-and-hinges","history":"/api/acts/ad-beech-55-9-amdt-2-rudder-spar-and-hinges/history","analysis":"/api/acts/ad-beech-55-9-amdt-2-rudder-spar-and-hinges/analysis","conflicts":"/api/acts/ad-beech-55-9-amdt-2-rudder-spar-and-hinges/conflicts","importantCases":"/api/acts/ad-beech-55-9-amdt-2-rudder-spar-and-hinges/important-cases","documents":"/api/acts/ad-beech-55-9-amdt-2-rudder-spar-and-hinges/documents"}}