{"id":"F2006B09937","name":"AD/FA-200/24 - Elevator Torque Tube Corrosion","slug":"ad-fa-200-24-elevator-torque-tube-corrosion","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":55193,"registerId":"commonwealth-F2006B09937-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/FA-200/24 - Elevator Torque Tube Corrosion","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)  Fuji FA-200 Series Aeroplanes\n\n \n\nAD/FA-200/24 Elevator Torque Tube Corrosion 11/89\n\nApplicability: All FA 200 S/No. 12 and subsequent. Requirement:  Action in accordance FHI S.B. 200-009.\n\nCompliance: Within 100 hours time in service after 2 November 1989, or at the next scheduled inspection for issue of Maintenance Release after 2 November 1989 whichever occurs later, and thereafter at intervals not exceeding 5 years.\n\n \n\nBackground:  Corrosion has been found inside elevator torque tubes to a depth that necessitated replacement. Undetected this could lead to tube failure.\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","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2075},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive remains tightly scoped to its original purpose: addressing the specific safety defect of internal corrosion in elevator torque tubes on Fuji FA-200 aircraft. It mandates exactly the inspections necessary to detect the identified failure mode without expanding to unrelated airframe components or aircraft types."},"complexity_factors":["Extremely short text (under 150 words of operative provisions)","Single applicability criterion (aircraft serial numbers 12 and subsequent)","Only one external technical reference (FHI Service Bulletin 200-009)","Simple two-part compliance schedule (initial inspection + recurring 5-year interval)","No defined terms, cross-references to other legislation, or conditional exceptions"],"plain_english_summary":"This mandatory Civil Aviation Safety Authority Airworthiness Directive requires owners/operators of Fuji FA-200 aeroplanes (serial numbers 12 and up) to inspect elevator torque tubes for internal corrosion, following Fuji Heavy Industries Service Bulletin No. 200‑009. The first inspection is within 100 flight hours after 2 Nov 1989 or at the next scheduled check, whichever is later, with repeats every five years. Corrosion found could cause tube failure and loss of pitch control."}},"importantCases":[],"_links":{"self":"/api/acts/ad-fa-200-24-elevator-torque-tube-corrosion","history":"/api/acts/ad-fa-200-24-elevator-torque-tube-corrosion/history","analysis":"/api/acts/ad-fa-200-24-elevator-torque-tube-corrosion/analysis","conflicts":"/api/acts/ad-fa-200-24-elevator-torque-tube-corrosion/conflicts","importantCases":"/api/acts/ad-fa-200-24-elevator-torque-tube-corrosion/important-cases","documents":"/api/acts/ad-fa-200-24-elevator-torque-tube-corrosion/documents"}}