{"id":"F2006B08812","name":"AD/DC3/8 Reissue - Fire Extinguisher Release Cable Conduit - Replacement","slug":"ad-dc3-8-reissue-fire-extinguisher-release-cable-conduit-replacement","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":52196,"registerId":"commonwealth-F2006B08812-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/DC3/8 Reissue - Fire Extinguisher Release Cable Conduit - Replacement","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)  Douglas DC3 Series Aeroplanes\n\n \n\nAD/DC3/8\n\nReissue\n\nApplicability: All models.\n\n\nFire Extinguisher Release Cable Conduit - Replacement\n\n\n1/84\n\n \n\nRequirement: Replace aluminium fire extinguisher control conduit with stainless steel tubing and nickel steel fittings.\n\n \n\nNote: Douglas SB DC3 No. 246 refers.\n\n \n\nCompliance: Unless already accomplished, within 100 hours time in service after 29 February 1984.\n\n \n\nBackground: This Directive is reissued with no changes made to the requirement.\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":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a straightforward reissue of an existing airworthiness directive with no changes to scope. The document explicitly states 'no changes made to the requirement.' Airworthiness directives are inherently narrow in scope — they address specific safety defects in specific aircraft types — and this maintains that precision."},"complexity_factors":["Extremely short document (under 200 words)","Only one substantive requirement with no sub-conditions or exceptions","No defined terms section","No cross-references to other legislation (only a non-binding reference to a Douglas Service Bulletin)","Simple temporal trigger for compliance (100 hours time in service after fixed date)","Single applicability criterion (all models of one aircraft type)"],"plain_english_summary":"This is an **Airworthiness Directive** — a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA) that requires owners and operators of specific aircraft to fix a known safety problem.\n\n**What it does:**\n- Orders the replacement of aluminium fire extinguisher control conduits (the protective tubes that house the cables used to release fire extinguishers) with stronger stainless steel tubing and nickel steel fittings on all Douglas DC3 aircraft.\n\n**Why it matters:**\n- The original aluminium parts were apparently prone to failure, which could prevent pilots from activating fire extinguishers during an engine fire — a potentially catastrophic situation.\n\n**Who must comply:**\n- Anyone operating any model of Douglas DC3 aeroplane in Australia.\n\n**When:**\n- The work had to be completed within 100 hours of flight time after 29 February 1984, unless already done.\n\n**Key point:**\n- This is a \"reissue\" meaning CASA republished the same directive without changing the actual safety requirement — likely for administrative or formatting reasons."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive explicitly states it is a reissue and that no changes have been made to the requirement (Background). The scope — applicability to all DC3 models and the replacement requirement — remains the same as previously issued."},"complexity_factors":["Single, narrowly specified engineering change (replace aluminium conduit with stainless tubing and nickel fittings).","Clear, short compliance window (100 hours time in service after 29 February 1984).","Applies uniformly to all models (no model-specific variants).","Relies on an external service bulletin for technical detail (Douglas SB DC3 No. 246), adding a single cross-reference.","Administrative reissue with no changes noted (low substantive legal change)."],"plain_english_summary":"The directive mandates replacement of aluminium fire‑extinguisher control conduit with stainless‑steel tubing and nickel‑steel fittings on all Douglas DC‑3 series aeroplanes, to be completed within 100 hours time‑in‑service after 29 February 1984. Aircraft owners/operators must arrange and pay for the work, follow Douglas Service Bulletin DC3 No. 246 for technical detail, and note this is a reissue with no change to the requirement."}},"importantCases":[],"_links":{"self":"/api/acts/ad-dc3-8-reissue-fire-extinguisher-release-cable-conduit-replacement","history":"/api/acts/ad-dc3-8-reissue-fire-extinguisher-release-cable-conduit-replacement/history","analysis":"/api/acts/ad-dc3-8-reissue-fire-extinguisher-release-cable-conduit-replacement/analysis","conflicts":"/api/acts/ad-dc3-8-reissue-fire-extinguisher-release-cable-conduit-replacement/conflicts","importantCases":"/api/acts/ad-dc3-8-reissue-fire-extinguisher-release-cable-conduit-replacement/important-cases","documents":"/api/acts/ad-dc3-8-reissue-fire-extinguisher-release-cable-conduit-replacement/documents"}}