{"id":"F2006B04622","name":"AD/BELL 222/7 - Fin Assembly Attachment","slug":"ad-bell-222-7-fin-assembly-attachment","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44374,"registerId":"commonwealth-F2006B04622-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BELL 222/7 - Fin Assembly Attachment","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)  Bell Helicopter Textron Canada (BHTC) 222 Series Helicopters\n\n \n\nAD/BELL 222/7 Fin Assembly Attachment 2/86 TX\n\nApplicability: All Models 222, 222B and 222U with S/Nos referenced in Alert Service Bulletins 222-85-35 and 222U-85-10.\n\n \n\nRequirement: Action in accordance with Bell Alert S.B. 222-85-35 and 222U-85-10. Compliance:  Part 1: Within 10 hours time in service after 02 January 1986.\n\nPart 2: Prior to 01 March 1986.\n\n \n\nBackground: Reports of loose bolts securing the vertical fin to the tailboom have been received.\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":1741},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow scope addressing a specific mechanical defect (loose fin attachment bolts) on specific Bell helicopter models."},"complexity_factors":["Depends on external technical documents (Alert Service Bulletins) not included in the text","Limited applicability requiring cross-referencing of specific aircraft serial numbers","Technical aviation terminology ('time in service' refers to accumulated flight hours, not calendar time)"],"plain_english_summary":"This Airworthiness Directive requires owners/operators of specified Bell 222, 222B, and 222U helicopters (serials listed in ASBs 222-85-35 and 222U-85-10) to inspect and repair the bolts securing the vertical fin to the tail boom within the short compliance windows. It responds to reports of loosening bolts whose failure could cause fin separation, loss of control, and a fatal accident."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-222-7-fin-assembly-attachment","history":"/api/acts/ad-bell-222-7-fin-assembly-attachment/history","analysis":"/api/acts/ad-bell-222-7-fin-assembly-attachment/analysis","conflicts":"/api/acts/ad-bell-222-7-fin-assembly-attachment/conflicts","importantCases":"/api/acts/ad-bell-222-7-fin-assembly-attachment/important-cases","documents":"/api/acts/ad-bell-222-7-fin-assembly-attachment/documents"}}