{"id":"F2008L00535","name":"AD/B737/121 Amdt 2 - Fuel Boost Pump Wiring - CANCELLED","slug":"ad-b737-121-amdt-2-fuel-boost-pump-wiring-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":119426,"registerId":"commonwealth-F2008L00535-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/B737/121 Amdt 2 - Fuel Boost Pump Wiring - CANCELLED","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 20.2\ntitle: AIRCRAFT\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\n \n\nAIRWORTHINESS DIRECTIVE\n\nOn the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive AD/B737/121 Amdt 2.\n\n### Boeing 737 Series Aeroplanes\n\n| AD/B737/121 Amdt 2 | Fuel Boost Pump Wiring | 3/2008 |\n| --- | --- | --- |\n\n\n \n\n| Requirement: | CANCELLED. |\n| --- | --- |\n|  | This AD is cancelled on 13 March 2008. |\n| Background: | This Directive has been superseded by AD/B737/303 Amendment 1. |\n\n\n![](image.001.png)\n\nCharles Lenarcic  Delegate of the Civil Aviation Safety Authority\n\n23 January 2008\n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1423},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The document performs exactly as intended: it cancels the previous Airworthiness Directive. The scope is limited to revocation and does not expand beyond this specific administrative function."},"complexity_factors":["Single operative provision (cancellation)","No defined terms or interpretation section","No conditional logic or procedural requirements","Minimal cross-referencing (only reference is to the superseding instrument AD/B737/303)"],"plain_english_summary":"**This document cancels a previous aircraft safety rule.**\n\nThis Airworthiness Directive (AD) formally revokes an earlier safety requirement about fuel boost pump wiring on Boeing 737 aircraft.\n\n**Key points:**\n- **What it does:** Cancels AD/B737/121 Amendment 2 effective 13 March 2008\n- **Why:** It has been replaced by a newer safety directive (AD/B737/303 Amendment 1) \n- **Who it affects:** Owners and operators of Boeing 737 series aircraft who were previously required to comply with the old wiring rules\n\nAirworthiness Directives are legally binding safety orders issued by the Civil Aviation Safety Authority (CASA). When an AD is cancelled like this, the specific maintenance or inspection requirements in the old directive are no longer mandatory—though operators must now follow the replacement directive instead."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b737-121-amdt-2-fuel-boost-pump-wiring-cancelled","history":"/api/acts/ad-b737-121-amdt-2-fuel-boost-pump-wiring-cancelled/history","analysis":"/api/acts/ad-b737-121-amdt-2-fuel-boost-pump-wiring-cancelled/analysis","conflicts":"/api/acts/ad-b737-121-amdt-2-fuel-boost-pump-wiring-cancelled/conflicts","importantCases":"/api/acts/ad-b737-121-amdt-2-fuel-boost-pump-wiring-cancelled/important-cases","documents":"/api/acts/ad-b737-121-amdt-2-fuel-boost-pump-wiring-cancelled/documents"}}