{"id":"F2006B11355","name":"AD/MU-2/26 - Control Cable Turnbuckles - Inspection and Replacement","slug":"ad-mu-2-26-control-cable-turnbuckles-inspection-and-replacement","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":57249,"registerId":"commonwealth-F2006B11355-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/MU-2/26 - Control Cable Turnbuckles - Inspection and Replacement","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)  Mitsubishi MU-2 Series Aeroplanes\n\n \n\nAD/MU-2/26 Control Cable Turnbuckles - Inspection\n\nand Replacement\n\n\n11/83\n\n \n\nApplicability: All models MU-2B/-10/-15/-20/-25/-26 : S/Nos. up thru 347 (except S/Nos. 313, 321.)\n\n \n\nAll models Mu-2B-30/-35/-36 : S/Nos. up thru 696 (except S/Nos. 652, 661.) Document:              Mitsubishi MU-2 S.B. No. 184.\n\nCompliance: Unless already accomplished within 200 hours time in service after 30th November 1983.\n\n \n\nBackground: Stress corrosion cracking has been found in some P/No. MS21251B3L and MS21251BS turnbuckles manufactured by Teledyne Inet. in 1971.\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":2079},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This airworthiness directive maintains its original narrow technical scope addressing a specific manufacturing defect in particular aircraft components. There is no indication of expansion beyond the original safety-critical inspection and replacement mandate."},"complexity_factors":["Single, specific safety issue addressed","Narrow applicability limited to specific manufacturer serial numbers","Short document length with no defined terms section","Simple conditional compliance requirement ('unless already accomplished')","External reference to only one service bulletin"],"plain_english_summary":"This Airworthiness Directive requires inspection and replacement of specific control-cable turnbuckles on affected Mitsubishi MU-2B series aeroplanes to address a safety defect.  \n\nOwners/operators of listed MU-2B serials must inspect for and replace turnbuckles P/N MS21251B3L or MS21251BS manufactured by Teledyne Inet in 1971, following Mitsubishi Service Bulletin No. 184, within the prescribed flight-hour compliance window. Failure could allow stress-corrosion cracking and loss of control."}},"importantCases":[],"_links":{"self":"/api/acts/ad-mu-2-26-control-cable-turnbuckles-inspection-and-replacement","history":"/api/acts/ad-mu-2-26-control-cable-turnbuckles-inspection-and-replacement/history","analysis":"/api/acts/ad-mu-2-26-control-cable-turnbuckles-inspection-and-replacement/analysis","conflicts":"/api/acts/ad-mu-2-26-control-cable-turnbuckles-inspection-and-replacement/conflicts","importantCases":"/api/acts/ad-mu-2-26-control-cable-turnbuckles-inspection-and-replacement/important-cases","documents":"/api/acts/ad-mu-2-26-control-cable-turnbuckles-inspection-and-replacement/documents"}}