{"id":"F2006B06846","name":"AD/SD3-30/45 - Baggage Bay Fire Extinguisher Adapter Covers","slug":"ad-sd3-30-45-baggage-bay-fire-extinguisher-adapter-covers","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114714,"registerId":"commonwealth-F2006B06846-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/SD3-30/45 - Baggage Bay Fire Extinguisher Adapter Covers","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)  \n\n\n# AIRWORTHINESS DIRECTIVE\n\n![](image.001.png)\n\n![](image.001.png)  For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.\n\n \n\nShort SD3-30 Series Aeroplanes\n\n \n\n# AD/SD3-30/45 Baggage Bay Fire Extinguisher Adapter Covers\n\n\n12/2002\n\n \n\nApplicability: All SD3-30 aircraft.\n\n \n\nRequirement: Remove fire adapter cover, install evoprene insert and new instruction label in accordance with Shorts Service Bulletin SD330-26-15.\n\n \n\nNote: CAA AD 005-05-2002 refers.\n\n \n\nCompliance: Within 3 months from the effective date of this Directive.\n\n \n\nThis Airworthiness Directive becomes effective on 28 November 2002.\n\n \n\nBackground: There have been in-service occurrences of fire extinguisher blow back when discharging through the existing fire extinguisher point adaptors. This Directive requires the removal of existing covers and incorporation of new evoprene inserts and instruction labels.\n\n![Signature of Barry James Reid McKay Delegate of the Civil Aviation Safety Authority](image.002.png)  \n\n\n \n\nBarry James Reid McKay\n\nDelegate of the Civil Aviation Safety Authority 18 October 2002\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![](image.001.png)  \n\n\nThe above AD is notified in the Commonwealth of Australia Gazette on 6 November 2002.\n\n \n\n \n\n\nPage 1 of 1\n","sortOrder":0}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, single-issue safety directive focused specifically on fire extinguisher adapter covers in one aircraft type. It has not expanded beyond its original narrow technical purpose."},"complexity_factors":["Single, unambiguous requirement with no conditional logic or exceptions","Only 1 defined term implicitly referenced (evoprene — a material specification)","No cross-references to other legislation beyond a single note about a related UK CAA directive","Clear, linear structure: applicability → requirement → compliance → background","Total length: approximately 250 words across 1 page","No nested provisions, schedules, or subsections"],"plain_english_summary":"This CASA Airworthiness Directive requires owners/operators of Short SD3‑30 aircraft to retrofit baggage‑bay fire extinguisher adapter covers with an evoprene insert and new instruction label to stop extinguishers from “blowing back” toward the operator. It responds to real incidents of dangerous back‑pressure and required the work within three months of 28 November 2002."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The AD text shows no alteration of scope from its stated purpose: it targets all SD3-30 aircraft and mandates a specific modification within a fixed timeframe (Applicability; Requirement; Compliance). No amendment or narrower/broader scope is indicated in the instrument."},"complexity_factors":["Narrow applicability: applies only to Shorts SD3-30 aircraft (Applicability).","Single, prescriptive action: remove covers, install inserts and label per service bulletin (Requirement).","Short compliance window: 3 months from effective date creates scheduling pressure (Compliance).","Relies on external documents: work must follow Shorts Service Bulletin SD330-26-15 (Requirement).","Regulatory authority is clear and singular (issued by CASA delegate under subreg. 39.1(1))."],"plain_english_summary":"This Airworthiness Directive requires all Shorts SD3-30 aircraft to have their baggage‑bay fire extinguisher adaptor covers removed, evoprene inserts fitted and a new instruction label installed in accordance with Shorts Service Bulletin SD330‑26‑15 (Requirement). The Civil Aviation Safety Authority delegate issued the AD under CAR 1998 subreg. 39.1(1) and sets a 3‑month compliance period from the effective date (Compliance). Aircraft owners/operators must fund and schedule the modification; the measure responds to reported extinguisher \"blow back\" incidents (Background)."}},"importantCases":[],"_links":{"self":"/api/acts/ad-sd3-30-45-baggage-bay-fire-extinguisher-adapter-covers","history":"/api/acts/ad-sd3-30-45-baggage-bay-fire-extinguisher-adapter-covers/history","analysis":"/api/acts/ad-sd3-30-45-baggage-bay-fire-extinguisher-adapter-covers/analysis","conflicts":"/api/acts/ad-sd3-30-45-baggage-bay-fire-extinguisher-adapter-covers/conflicts","importantCases":"/api/acts/ad-sd3-30-45-baggage-bay-fire-extinguisher-adapter-covers/important-cases","documents":"/api/acts/ad-sd3-30-45-baggage-bay-fire-extinguisher-adapter-covers/documents"}}