{"id":"F2005L02049","name":"AD/S-PUMA/61 - Engine Fire Extinguishers","slug":"ad-s-puma-61-engine-fire-extinguishers","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":36214,"registerId":"commonwealth-F2005L02049-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Eurocopter AS 332 (Super Puma) Series He","sectionType":"division","heading":"Eurocopter AS 332 (Super Puma) Series Helicopters","content":"### Eurocopter AS 332 (Super Puma) Series Helicopters\n\n| AD/S-PUMA/61 | Engine Fire Extinguishers | 9/2005 |\n| ------------ | ------------------------- | ------ |\n\n| Applicability: | AS 332 C, C1, L, L1 and L2 helicopters, equipped with engine fire extinguishers, part number 863490-00, pre-MOD 0726371.The serial numbers of the fire extinguishers applicable are:1. Manufactured in 2001: 59186, 59188, 59189, 59190, 59192, 59193, 59194, 59195, 59196, 59198, 59581, 59582, 59583, 59585, 59587, 59588, 59590, 59592, 59594, 59595 and 59597.2. Manufactured after 2001: all serial numbers.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |\n| -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | 1. Engine fire extinguishers listed in applicability 1. above;(a) Weigh the engine fire extinguisher in accordance with the instructions detailed in paragraph 2.B.2. of EUROCOPTER AS 332 Alert Service Bulletin (ASB) No. 05.00.62.(b) Embody MOD 0726371 (fire extinguisher part number 863490-01) in accordance with the instructions specified in paragraph 2.B.3. of EUROCOPTER AS 332 ASB No. 05.00.62.2. Engine fire extinguishers listed in applicability 2. above;(a) Weigh the engine fire extinguisher in accordance with the instructions specified in paragraph 2.B.2. of EUROCOPTER AS 332 ASB No. 05.00.62.(b) Comply with the instructions specified in paragraph 2.B.3. of EUROCOPTER AS 332 ASB No. 05.00.62. (Corresponds to MOD 0726371).3. Fire extinguishers PN 863490-00 held as spares:Weigh the engine fire extinguisher in accordance with the instructions detailed in paragraph 2.B.2. of EUROCOPTER AS 332 Alert Service Bulletin (ASB) No. 05.00.62.Note: DGAC AD F-2005-094 EASA Approval No.2005-4742 dated 31 May 2005 refers. |\n\n| Compliance: | 1. (a) At the latest, within 110 flying hours or 2 months, whichever occurs first after the effective date of this Directive, then at intervals not exceeding 110 flying hours or 2 months, whichever occurs first (the first limit reached is applicable), until compliance is shown with Requirement 1(b) of this Directive.1. (b) At the latest, within 6 months after the effective date of this Directive.2. (a) At the latest, within 110 flying hours or 2 months, whichever occurs first after the effective date of this Directive, then at intervals not exceeding 6 months, until compliance is shown with Requirement 2(b) of this Directive.2. (b) During the next proof test to be performed no later than within 5 years following manufacture or the last proof test.3. Before installation in an aircraft after the effective date of this Directive. |\n| ----------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|             | This Airworthiness Directive becomes effective on 1 September 2005.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |\n| Background: | This Directive is in response to cases of loss of weight of fire extinguishers with similar technical definition, discovered during weighing operations.These cases of loss of weight are due to leaks caused by corrosion under the welded identification plates.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n21 July 2005","sortOrder":0},{"sectionNumber":"AD/S-PUMA/61","sectionType":"part","heading":"AD/S-PUMA/61","content":"## AD/S-PUMA/61","sortOrder":1},{"sectionNumber":"Engine Fire Extinguishers","sectionType":"part","heading":"Engine Fire Extinguishers","content":"## Engine Fire Extinguishers","sortOrder":2},{"sectionNumber":"9/2005","sectionType":"part","heading":"9/2005","content":"## 9/2005","sortOrder":3}],"analysis":{"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"The Directive's scope matches its stated purpose in the Background: it targets AS332 variants fitted with the specified extinguisher part number and serial ranges, mandates interim inspections and a permanent embodiment (MOD 0726371), and prescribes handling of spares. It does not expand obligations beyond addressing the identified corrosion/leak risk."},"complexity_factors":["Multiple applicability classes (specific serial numbers manufactured in 2001, and all units manufactured after 2001) require careful asset identification before action (Applicability).","Different, overlapping compliance schedules (e.g. initial weighing within 110 flying hours or 2 months, retrofit within 6 months, recurring intervals until modification) create scheduling and tracking complexity for operators (Compliance: 1(a), 1(b), 2(a), 2(b)).","Two-step technical outcome — interim repetitive inspections (weighing) until embodiment of a modification (MOD 0726371) — forces recurring maintenance costs until the permanent fix is installed (Requirement 1(a)/1(b); 2(a)/2(b)).","Procedural dependence on an external document (EUROCOPTER AS332 ASB No. 05.00.62) means operators must obtain and follow detailed manufacturer procedures not reproduced in the Directive (Requirement references to ASB paragraphs 2.B.2 and 2.B.3).","Spare-parts handling rule (weigh before installation) imposes a pre-installation compliance step for suppliers and maintenance organisations that may affect inventory turnover (Requirement 3; Compliance 3).","A deferred proof-test deadline option (next proof test no later than 5 years after manufacture or last proof test) interacts with maintenance cycles and record-keeping obligations (Compliance 2(b)).","Operational impact concentrated on operators of affected airframes: direct costs (weighing, retrofitting, proof tests), logistical disruption and potential grounding for compliance periods."],"plain_english_summary":"Requires operators of Eurocopter AS 332 C/C1/L/L1/L2 helicopters with engine fire extinguisher PN 863490-00 to have those units weighed at prescribed intervals, to embody MOD 0726371 (upgrade to PN 863490-01) per Eurocopter ASB No. 05.00.62, and to weigh or proof‑test spare extinguishers before installation. It targets specific serial numbers and all post‑2001 units. The Directive responds to discovered leaks from corrosion under welded identification plates; aircraft operators and maintenance organisations meet the compliance costs and downtime."},"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":4,"scope_assessment":{"changed":false,"description":"This is a standard Airworthiness Directive with a focused, single-purpose scope: addressing a specific safety defect in a specific aircraft component. The document maintains its original intent of ensuring fire extinguisher reliability without expanding into broader operational or maintenance requirements."},"complexity_factors":["Multiple applicability categories based on manufacturing date (2001 vs post-2001) with different serial number ranges","Cross-references to external technical documents (Eurocopter ASB No. 05.00.62) for detailed instructions","Nested compliance timelines with 'whichever occurs first' conditions (flight hours OR calendar time)","Different requirements and deadlines for installed equipment versus spare parts","Reference to French (DGAC) and European (EASA) regulatory approvals, indicating harmonised international aviation safety standards","Technical part numbers and modification numbers (MOD 0726371) that require specialist aviation knowledge to interpret"],"plain_english_summary":"This CASA Airworthiness Directive requires operators of certain Eurocopter AS 332 Super Puma helicopters fitted with pre‑mod 863490-00 engine fire extinguishers to inspect (weigh) and remediate leaking units and spares, and to replace or modify affected extinguishers with the improved part. \n\nIt matters because corrosion under the welded ID plate can cause suppressant loss, risking extinguisher failure during an engine fire and endangering crew and passengers."}},"importantCases":[],"_links":{"self":"/api/acts/ad-s-puma-61-engine-fire-extinguishers","history":"/api/acts/ad-s-puma-61-engine-fire-extinguishers/history","analysis":"/api/acts/ad-s-puma-61-engine-fire-extinguishers/analysis","conflicts":"/api/acts/ad-s-puma-61-engine-fire-extinguishers/conflicts","importantCases":"/api/acts/ad-s-puma-61-engine-fire-extinguishers/important-cases","documents":"/api/acts/ad-s-puma-61-engine-fire-extinguishers/documents"}}