{"id":"F2009L03034","name":"AD/L.40/2 - Resewing of Seat Belt and Securing of Tailplane Actuating Nut Lock Screws - Rework - CANCELLED","slug":"ad-l-40-2-resewing-of-seat-belt-and-securing-of-tailplane-actuating-nut-lock-screws-rework-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":80603,"registerId":"commonwealth-F2009L03034-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Meta Sokol L.40 Series Aeroplanes","sectionType":"division","heading":"Meta Sokol L.40 Series Aeroplanes","content":"### Meta Sokol L.40 Series Aeroplanes\n\n| AD/L.40/2 | Resewing of Seat Belt and Securing of Tailplane Actuating Nut Lock Screws - Rework | 9/2009 |\n| --------- | ---------------------------------------------------------------------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                               |\n| ------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 27 August 2009.                                                                                                                  |\n| Background:  | This unique Australian AD specified once-only action in accordance with Service Bulletin No. 1/L.40 before September 1971. The AD is no longer required. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n30 June 2009","sortOrder":0},{"sectionNumber":"AD/L.40/2","sectionType":"part","heading":"AD/L.40/2","content":"## AD/L.40/2","sortOrder":1},{"sectionNumber":"Resewing of Seat Belt and Securing of Ta","sectionType":"part","heading":"Resewing of Seat Belt and Securing of Tailplane Actuating Nut Lock Screws - Rework","content":"## Resewing of Seat Belt and Securing of Tailplane Actuating Nut Lock Screws - Rework","sortOrder":2},{"sectionNumber":"9/2009","sectionType":"part","heading":"9/2009","content":"## 9/2009","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1213},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The document maintains the narrow, aircraft-specific scope of the original 1971 Airworthiness Directive. Rather than expanding the scope, it simply terminates the directive as the mandated safety rework has become obsolete after nearly four decades."},"complexity_factors":["Single operative provision (cancellation)","No defined terms or interpretation section","No conditional logic, exceptions, or nested provisions","No cross-references to other legislative instruments","Document consists solely of a revocation notice and brief background"],"plain_english_summary":"This document **cancels an old aircraft safety rule** for the Meta Sokol L.40 series (a Czech-made light aircraft).\n\n**What the original rule required:**\nBefore September 1971, owners had to perform a one-time safety fix on their planes: restitching the seat belts and tightening lock screws on the tailplane actuating nut (part of the rear wing controls).\n\n**What this document does:**\nIt officially cancels that directive as of **27 August 2009** because the required maintenance is no longer necessary—presumably because all affected aircraft have long since been modified or retired.\n\n**Who it affects:**\nOwners and operators of Meta Sokol L.40 series aeroplanes."}},"importantCases":[],"_links":{"self":"/api/acts/ad-l-40-2-resewing-of-seat-belt-and-securing-of-tailplane-actuating-nut-lock-screws-rework-cancelled","history":"/api/acts/ad-l-40-2-resewing-of-seat-belt-and-securing-of-tailplane-actuating-nut-lock-screws-rework-cancelled/history","analysis":"/api/acts/ad-l-40-2-resewing-of-seat-belt-and-securing-of-tailplane-actuating-nut-lock-screws-rework-cancelled/analysis","conflicts":"/api/acts/ad-l-40-2-resewing-of-seat-belt-and-securing-of-tailplane-actuating-nut-lock-screws-rework-cancelled/conflicts","importantCases":"/api/acts/ad-l-40-2-resewing-of-seat-belt-and-securing-of-tailplane-actuating-nut-lock-screws-rework-cancelled/important-cases","documents":"/api/acts/ad-l-40-2-resewing-of-seat-belt-and-securing-of-tailplane-actuating-nut-lock-screws-rework-cancelled/documents"}}