{"id":"F2006B06433","name":"AD/R22/28 - AM-Safe Harness Buckle Assemblies","slug":"ad-r22-28-am-safe-harness-buckle-assemblies","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":47829,"registerId":"commonwealth-F2006B06433-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/R22/28 - AM-Safe Harness Buckle 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)  Robinson R22 Series Helicopters\n\n \n\nAD/R22/28 AM-Safe Harness Buckle Assemblies 4/87\n\nApplicability: All model R22A & R22B with S/Nos. 436 to 603 and any other R22 helicopter that was fitted with a new shoulder harness between 20 August 1984 and 28 February 1987.\n\n \n\nRequirement: Action in accordance with Robinson SB No. 55.\n\n \n\nCompliance: Prior to the issue of the next Maintenance Release after 9 April 1987 or within 100 hours time in service after 9 April 1987 whichever is the later.\n\n \n\nBackground:  For a particular batch of components there is a possibility that the connector may become dislodged from the buckle if a side load is placed on the assembly. This Directive also satisfies the Requirement of AD/RES/19.\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":1901},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is the original issuance of the directive, targeting a specific batch of defective harness buckles. The scope remains tightly focused on the identified safety defect without expansion to unrelated aircraft systems or models."},"complexity_factors":["Single, unambiguous compliance action (follow Service Bulletin 55)","Applicability limited to specific serial number ranges and installation dates","Straightforward compliance deadline with clear 'whichever is later' alternative","No defined terms, interpretation sections, or nested exceptions","Only one external reference (the Service Bulletin)"],"plain_english_summary":"Owners/operators of certain Robinson R22 helicopters (serials 436–603 and any R22 that received a new shoulder harness 20 Aug 1984–28 Feb 1987) must inspect and repair AM-Safe shoulder harness buckle assemblies per Robinson Service Bulletin No. 55.  \n\nCompliance is required by the next Maintenance Release dated after 9 Apr 1987 or within 100 flight hours thereafter. The fix prevents buckle dislodgement in turbulence or crashes, reducing risk of occupants being ejected."}},"importantCases":[],"_links":{"self":"/api/acts/ad-r22-28-am-safe-harness-buckle-assemblies","history":"/api/acts/ad-r22-28-am-safe-harness-buckle-assemblies/history","analysis":"/api/acts/ad-r22-28-am-safe-harness-buckle-assemblies/analysis","conflicts":"/api/acts/ad-r22-28-am-safe-harness-buckle-assemblies/conflicts","importantCases":"/api/acts/ad-r22-28-am-safe-harness-buckle-assemblies/important-cases","documents":"/api/acts/ad-r22-28-am-safe-harness-buckle-assemblies/documents"}}