{"id":"F2006B06607","name":"AD/ROBIN/10 Amdt 1 - Control Column Assembly Welds","slug":"ad-robin-10-amdt-1-control-column-assembly-welds","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48448,"registerId":"commonwealth-F2006B06607-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/ROBIN/10 Amdt 1 - Control Column Assembly Welds","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nRobin Aviation Series Aeroplanes\n\nAD/ROBIN/10\n\nAmdt 1\n\n  \nControl Column Assembly Welds 8/86\n\nApplicability: All Models R2000 series.\n\nRequirement: Inspect the “Stick bottom tube” P/No. 27.40.12.000 using fluorescent penetrant, for cracking of the weld and/or the tubing in the area of the upper “T” junction of the horizontal and vertical legs. “R2000 Spare Parts Catalogue” 1980 Edition, Rev. 6, Plate 2, page 8 item 41 refers.\n\nCompliance: Prior to issue of Certificate of Airworthiness.\n\nBackground: The initial issue of this Directive was raised following reports of cracking and of a possible failure in the welded steel tube assembly. The failed column has since been found to have no evidence of any pre-existing defect, and a fleet inspection has found no evidence of any other cracking. The repetitive inspection requirement has therefore been deleted.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1516},"content_quality":"ok","complexity_score":2,"rejection_reason":"","scope_assessment":{"changed":true,"description":"This amendment narrowed the scope from the original directive by deleting the repetitive inspection requirement. The original rule required ongoing periodic inspections throughout the aircraft's life; this version reduces it to a one-time inspection prior to Certificate of Airworthiness issuance, based on fleet-wide findings that showed no evidence of systematic defects."},"complexity_factors":["Single, specific technical requirement with no conditional branches","Only one defined compliance trigger (prior to Certificate of Airworthiness)","Specific part number citation eliminates ambiguity","No cross-references to other legislation or complex definitions"],"plain_english_summary":"This rule mandates a one‑time fluorescent‑penetrant inspection of the control column \"stick bottom tube\" on Robin Aviation R2000 series aeroplanes—focusing on the weld/upper T‑junction—before a Certificate of Airworthiness is issued. It replaces prior recurring checks after no widespread manufacturing defect was found, but the inspection remains vital because a crack could cause loss of control."}},"importantCases":[],"_links":{"self":"/api/acts/ad-robin-10-amdt-1-control-column-assembly-welds","history":"/api/acts/ad-robin-10-amdt-1-control-column-assembly-welds/history","analysis":"/api/acts/ad-robin-10-amdt-1-control-column-assembly-welds/analysis","conflicts":"/api/acts/ad-robin-10-amdt-1-control-column-assembly-welds/conflicts","importantCases":"/api/acts/ad-robin-10-amdt-1-control-column-assembly-welds/important-cases","documents":"/api/acts/ad-robin-10-amdt-1-control-column-assembly-welds/documents"}}