{"id":"F2006B04167","name":"AD/BEECH 76/1 - Control Bearing Assemblies","slug":"ad-beech-76-1-control-bearing-assemblies","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43904,"registerId":"commonwealth-F2006B04167-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 76/1 - Control Bearing Assemblies","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 76 (Duchess) Series Aeroplanes\n\n \n\nAD/BEECH 76/1 Control Bearing Assemblies 5/79\n\nApplicability: All model 76 with S/Nos. ME-2 to ME-75. Requirement:  Action in accordance with Beechcraft SI No. 1017. Compliance:               Within 100 hours’ time in service after 31 May 1979.\n\nBackground:  The manufacturer advises that the subject control column bearing assemblies may have been filed or ground in the weld area.\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\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2119},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This directive maintains its original narrow scope addressing a specific manufacturing defect in specific aircraft models. There is no evidence of scope expansion beyond the original safety-critical maintenance requirement."},"complexity_factors":["Single, unambiguous applicability criterion based on specific aircraft serial numbers","One clear operational requirement referencing an external technical standard","Simple, single-layer compliance timeframe with no conditional exceptions or extensions","No interpretation section, defined terms, or legislative cross-references","Extremely brief text with minimal structural complexity"],"plain_english_summary":"This is a mandatory **airworthiness directive** (a legal safety notice) requiring owners and operators of specific Beechcraft Duchess aircraft to inspect and fix a potentially dangerous defect in the control column bearing assemblies.\n\n**Who this affects:**\nOwners and operators of Beechcraft Model 76 aircraft with serial numbers ME-2 through ME-75.\n\n**What the problem is:**\nThe manufacturer discovered that some control column bearing assemblies may have been improperly filed or ground down in the weld area, which could affect flight safety.\n\n**What must be done:**\nAircraft operators must follow the instructions in Beechcraft Service Instruction No. 1017 to address the bearing assembly issue.\n\n**When it must be done:**\nWithin 100 hours of flight time after 31 May 1979."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-76-1-control-bearing-assemblies","history":"/api/acts/ad-beech-76-1-control-bearing-assemblies/history","analysis":"/api/acts/ad-beech-76-1-control-bearing-assemblies/analysis","conflicts":"/api/acts/ad-beech-76-1-control-bearing-assemblies/conflicts","importantCases":"/api/acts/ad-beech-76-1-control-bearing-assemblies/important-cases","documents":"/api/acts/ad-beech-76-1-control-bearing-assemblies/documents"}}