{"id":"F2005L03978","name":"AD/DAUPHIN/62 Amdt 1 - Wheel Brake Hose","slug":"ad-dauphin-62-amdt-1-wheel-brake-hose","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":39885,"registerId":"commonwealth-F2005L03978-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Eurocopter SA 360 and SA 365 (Dauphin) S","sectionType":"division","heading":"Eurocopter SA 360 and SA 365 (Dauphin) Series Helicopters","content":"### Eurocopter SA 360 and SA 365 (Dauphin) Series Helicopters\n\n| AD/DAUPHIN/62 Amdt 1 | Wheel Brake Hose | 1/2006 |\n| -------------------- | ---------------- | ------ |\n\n| Applicability: | SA 365 N and N1 model helicopters and AS 365 N2 and N3 helicopters equipped with emergency floatation gear and not incorporating Mod 0745C49.                                                                                                                                                                                                                                                                                                      |\n| -------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | 1. Carry out a check of the hydraulic brake hose in accordance with paragraph 2.B.1. of Eurocopter AS 365 Alert Service Bulletin 32.00.09 Revision 1 or later DGAC approved revisions.2. Carry out a non- interference check as detailed in paragraph 2.B.2. of Eurocopter AS 365 Alert Service Bulletin 32.00.09 Revision 1 or later DGAC approved revisions.Note: DGAC AD F-2002-474-058R2 EASA approval 2005-6372 dated 18 October 2005 refers. |\n| Compliance:    | 1. Unless previously accomplished in accordance with the original issue of this Airworthiness Directive (AD): Within 10 flight hours from the effective date of this Directive.2. (a) Unless previously accomplished in accordance with the original issue of this AD: Within 100 flight hours from the effective date of this Directive.(b) Whenever the landing gear leg is adjusted.                                                            |\n|                | This Amendment becomes effective on 19 January 2006.                                                                                                                                                                                                                                                                                                                                                                                               |\n| Background:    | In certain configurations, landing gear retraction can cause the brake hose to be compressed between the torque link and the emergency flotation gear pipe. This Directive requires a check for the correct installation of the hoses to prevent failure of the brake hose.This amendment excludes those helicopters that have incorporated Mod 0745C49.                                                                                           |\n\n|     | The original issue of this AD became effective on 23 January 2003. |\n| --- | ------------------------------------------------------------------ |\n\n![](image.001.png)  \nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n30 November 2005","sortOrder":0},{"sectionNumber":"AD/DAUPHIN/62 Amdt 1","sectionType":"part","heading":"AD/DAUPHIN/62 Amdt 1","content":"## AD/DAUPHIN/62 Amdt 1","sortOrder":1},{"sectionNumber":"Wheel Brake Hose","sectionType":"part","heading":"Wheel Brake Hose","content":"## Wheel Brake Hose","sortOrder":2},{"sectionNumber":"1/2006","sectionType":"part","heading":"1/2006","content":"## 1/2006","sortOrder":3}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"This amendment narrows the AD's scope by explicitly excluding helicopters that have incorporated Mod 0745C49. It also updates the compliance mechanism by referencing Eurocopter AS 365 Alert Service Bulletin 32.00.09 Revision 1 (or later DGAC‑approved revisions) and specifies the immediate (10 flight hours) and longer (100 flight hours / gear adjustment) inspection windows."},"complexity_factors":["Targeted applicability: applies only to SA 365 N/N1 and AS 365 N2/N3 with emergency flotation gear and excludes helicopters with Mod 0745C49 (Applicability).","Prescriptive external reference: requires compliance with specific paragraphs (2.B.1 and 2.B.2) of Eurocopter AS 365 Alert Service Bulletin 32.00.09 Rev 1 or later DGAC‑approved revisions (Requirement).","Multiple compliance windows: immediate short‑term action (within 10 flight hours) and a broader check (within 100 flight hours) plus whenever the landing‑gear leg is adjusted (Compliance).","Credit/recording discretion: provisions allow 'unless previously accomplished', meaning operators must verify past maintenance history before deciding actions (Compliance).","Regulatory approvals referenced: the AD refers to DGAC AD F‑2002‑474‑058R2 and EASA approval 2005‑6372, creating dependence on foreign authority approvals for later revisions (Requirement/Background).","Operational impact: inspections and any remedial work impose labour and downtime costs on operators and require scheduling into maintenance programs (Compliance/Background)."],"plain_english_summary":"This airworthiness directive requires operators of Eurocopter SA 365 N/N1 and AS 365 N2/N3 helicopters fitted with emergency flotation gear (unless Mod 0745C49 is fitted) to inspect the hydraulic wheel brake hose and check for interference that could pinch or damage it during landing‑gear retraction. Inspections must follow Eurocopter AS 365 Alert Service Bulletin 32.00.09 Rev 1 (or later DGAC‑approved revisions) within specified flight‑hour windows. Operators pay for and must schedule the checks and any corrective maintenance."},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This amendment maintains the original scope of the 2003 directive. It narrows applicability slightly by excluding helicopters with Mod 0745C49, but this is a technical refinement rather than scope creep — the fundamental purpose (preventing brake hose failure on affected Dauphin helicopters) remains unchanged."},"complexity_factors":["Short, single-purpose directive with only 2 requirements","Limited applicability criteria (4 specific models, conditional on flotation gear and modification status)","Simple two-tier compliance schedule (10 hours / 100 hours) with one recurring trigger (landing gear adjustment)","Heavy reliance on external technical document (Eurocopter Alert Service Bulletin 32.00.09) — actual inspection procedures not reproduced in the AD itself","Cross-reference to French aviation authority (DGAC) and European Aviation Safety Agency (EASA) approvals","Minimal defined terms (only implicit definitions through model numbers and modification references)"],"plain_english_summary":"This CASA Airworthiness Directive requires operators of certain Eurocopter Dauphin helicopters (SA/AS 365 N/N1 and N2/N3 fitted with emergency flotation gear but without Mod 0745C49) to inspect the wheel brake hydraulic hose and confirm it cannot be pinched between the torque link and flotation pipe. \n\nChecks must be done per the Eurocopter service bulletin—initial hose check within 10 flight hours, a non‑interference check within 100 flight hours (and whenever a landing‑gear leg is adjusted). The rule prevents hose failure and potential loss of wheel brakes; helicopters with Mod 0745C49 are excluded."}},"importantCases":[],"_links":{"self":"/api/acts/ad-dauphin-62-amdt-1-wheel-brake-hose","history":"/api/acts/ad-dauphin-62-amdt-1-wheel-brake-hose/history","analysis":"/api/acts/ad-dauphin-62-amdt-1-wheel-brake-hose/analysis","conflicts":"/api/acts/ad-dauphin-62-amdt-1-wheel-brake-hose/conflicts","importantCases":"/api/acts/ad-dauphin-62-amdt-1-wheel-brake-hose/important-cases","documents":"/api/acts/ad-dauphin-62-amdt-1-wheel-brake-hose/documents"}}