{"id":"F2006B04181","name":"AD/BEECH 76/6 - Wing Spar Centre Splice Plates","slug":"ad-beech-76-6-wing-spar-centre-splice-plates","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43934,"registerId":"commonwealth-F2006B04181-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 76/6 - Wing Spar Centre Splice Plates","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 76/6 Wing Spar Centre Splice Plates 10/79\n\nApplicability:  All model 76 with S/Nos. ME-1 to ME-6, ME-8 to ME-185. Requirement: Action in accordance with Beechcraft SI No. 1071.\n\nCompliance: Unless already accomplished, within 100 hours’ time in service after 31 October 1979.\n\n \n\nBackground: The wing spar splice plates may have been marked with a scriber during aircraft manufacture.\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":1418},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive remains tightly scoped to its original purpose: addressing a specific manufacturing defect in a limited production run of aircraft. The scope has not expanded beyond the initial safety concern."},"complexity_factors":["Single, unambiguous operative requirement","No defined terms or interpretation section","Limited conditional logic (specific serial number ranges only)","External reference to technical standard (Beechcraft SI No. 1071) without reproducing content"],"plain_english_summary":"**What this does:**\nThis is a safety directive requiring owners of specific Beechcraft 76 Duchess aircraft to inspect and potentially repair the **wing spar centre splice plates** — metal plates that join sections of the main wing support structure.\n\n**Who it affects:**\nOwners and operators of Beechcraft Model 76 aircraft with serial numbers ME-1 through ME-6 and ME-8 through ME-185.\n\n**What must be done:**\nYou must follow the procedures in **Beechcraft Service Instruction No. 1071** to check the splice plates. This addresses a manufacturing defect where the plates may have been scratched with a scriber (a sharp marking tool) during assembly, which could create stress points leading to cracks.\n\n**When:**\nThe work had to be completed within **100 hours of flight time** after 31 October 1979, unless already done.\n\n**Why it matters:**\nStructural damage to wing spar components can compromise aircraft integrity and safety."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-76-6-wing-spar-centre-splice-plates","history":"/api/acts/ad-beech-76-6-wing-spar-centre-splice-plates/history","analysis":"/api/acts/ad-beech-76-6-wing-spar-centre-splice-plates/analysis","conflicts":"/api/acts/ad-beech-76-6-wing-spar-centre-splice-plates/conflicts","importantCases":"/api/acts/ad-beech-76-6-wing-spar-centre-splice-plates/important-cases","documents":"/api/acts/ad-beech-76-6-wing-spar-centre-splice-plates/documents"}}