{"id":"F2006B01951","name":"AD/A320/63 - Lavatories Smoke Detection","slug":"ad-a320-63-lavatories-smoke-detection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41173,"registerId":"commonwealth-F2006B01951-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/A320/63 - Lavatories Smoke Detection","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-description: CASA Airworthiness Directive\nmeta-generator: Aspose.Words for .NET 22.10.0\nmeta-keywords: Issue 4/1996,Aircraft above 5700 kg,Airbus Industrie A319, A320 and A321 Series Aeroplanes,Lavatories Smoke Detection,63\ntitle: Airworthiness Directive - AD/A320/63 - Lavatories Smoke Detection\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)  Airbus Industrie A319, A320 and A321 Series Aeroplanes\n\n \n\nAD/A320/63 Lavatories Smoke Detection 4/96\n\nApplicability: All models without Modifications 22561 or 24548 embodied; or Airbus Industrie SBs A320-26-1017 or A320-26-1037 incorporated.\n\n \n\nRequirement: Action in accordance with Airbus Industrie SB A320-26-1037.\n\n \n\nNote: DGAC ADs 94-168-058(B)R1 and 96-007-073(B) refer.\n\nCompliance: Unless already accomplished, within 500 hours’ time in service after 28 March 1996. Background:               This Directive provides terminating action for the inspection required by Airbus\n\nA320/AOT 26-12 which required an inspection of the lavatory air extraction grill to\n\nprevent degradation of the smoke detecting system.\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":1972},"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This directive maintains its original narrow scope focused solely on lavatory smoke detection modifications for Airbus A320 family aircraft. It provides terminating action for an earlier temporary inspection requirement without expanding into unrelated systems or aircraft types."},"complexity_factors":["References to external technical documents (Airbus Service Bulletin A320-26-1037 and French DGAC ADs)","Conditional applicability based on specific aircraft modification history (Modifications 22561 or 24548)","Technical aviation terminology requiring domain knowledge (e.g., 'time in service', 'terminating action', 'AOT')","Cross-references to superseded inspection requirements (Airbus A320/AOT 26-12)"],"plain_english_summary":"This mandatory airworthiness directive requires operators of Airbus A319/A320/A321 to install or upgrade lavatory smoke detection per Airbus Service Bulletin A320‑26‑1037, with compliance due within 500 flight hours after 28 March 1996.  \n\nIt affects those not already modified under Mod 22561/24548 or previously compliant with SB A320‑26‑1017/1037 and provides a permanent fix replacing earlier temporary inspections to ensure reliable toilet fire detection."}},"importantCases":[],"_links":{"self":"/api/acts/ad-a320-63-lavatories-smoke-detection","history":"/api/acts/ad-a320-63-lavatories-smoke-detection/history","analysis":"/api/acts/ad-a320-63-lavatories-smoke-detection/analysis","conflicts":"/api/acts/ad-a320-63-lavatories-smoke-detection/conflicts","importantCases":"/api/acts/ad-a320-63-lavatories-smoke-detection/important-cases","documents":"/api/acts/ad-a320-63-lavatories-smoke-detection/documents"}}