{"id":"F2006B09037","name":"AD/DHC-2/2 - Hydraulic Control Unit - Selector Lever Hub Inspection","slug":"ad-dhc-2-2-hydraulic-control-unit-selector-lever-hub-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":52738,"registerId":"commonwealth-F2006B09037-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/DHC-2/2 - Hydraulic Control Unit - Selector Lever Hub 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)  DHC-2 (Beaver) Series Aeroplanes\n\n \n\nAD/DHC-2/2 Hydraulic Control Unit - Selector Lever Hub Inspection\n\nApplicability: All models fitted with selector Lever Hub P/N C2-UF-2163. Document: DH (Canada) TNS Series “B(R)” No. 17.\n\nCompliance: At each daily or overnight inspection.\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\n \n\n \n\n\n7/64\n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1401},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow scope: targeting a specific part on a specific aircraft type with a single inspection requirement. No expansion beyond the original safety intent."},"complexity_factors":["Single compliance action required (visual inspection)","No defined terms or interpretation sections","No exceptions, exemptions, or conditional provisions","Clear identification via specific part number (P/N C2-UF-2163)","Reference to external technical document for detailed procedures rather than embedding complex instructions"],"plain_english_summary":"**What it does:** This directive mandates that owners and operators of DHC-2 (Beaver) aircraft must inspect a specific hydraulic component—the Selector Lever Hub (part number C2-UF-2163)—during every daily or overnight maintenance check.\n\n**Who it affects:** Anyone who owns, operates, or maintains DHC-2 Beaver aircraft fitted with this particular selector lever hub.\n\n**Why it matters:** This is a legally binding safety requirement issued by the Civil Aviation Safety Authority (CASA). The inspection prevents potential hydraulic control failures that could compromise flight safety. Operating the aircraft without completing this inspection violates aviation law and grounds the aircraft."}},"importantCases":[],"_links":{"self":"/api/acts/ad-dhc-2-2-hydraulic-control-unit-selector-lever-hub-inspection","history":"/api/acts/ad-dhc-2-2-hydraulic-control-unit-selector-lever-hub-inspection/history","analysis":"/api/acts/ad-dhc-2-2-hydraulic-control-unit-selector-lever-hub-inspection/analysis","conflicts":"/api/acts/ad-dhc-2-2-hydraulic-control-unit-selector-lever-hub-inspection/conflicts","importantCases":"/api/acts/ad-dhc-2-2-hydraulic-control-unit-selector-lever-hub-inspection/important-cases","documents":"/api/acts/ad-dhc-2-2-hydraulic-control-unit-selector-lever-hub-inspection/documents"}}