{"id":"F2006B09379","name":"AD/ECUREUIL/76 - Electrical Power","slug":"ad-ecureuil-76-electrical-power","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":53680,"registerId":"commonwealth-F2006B09379-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# AIRWORTHINESS DIRECTIVE\n\n![](image.001.png)\n\n![](image.001.png)  \nFor 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\nEurocopter AS 350 (Ecureuil) Series Helicopters","sortOrder":0},{"sectionNumber":"AD/ECUREUIL/76 Electrical Power 6/2002","sectionType":"part","heading":"AD/ECUREUIL/76 Electrical Power 6/2002","content":"# AD/ECUREUIL/76 Electrical Power 6/2002\n\nApplicability: AS 350 version B3 helicopters without Modification 073146 embodied and with the following serial numbers:\n\n| 3461 | 3463 | 3464 | 3467 | 3469 |\n| ---- | ---- | ---- | ---- | ---- |\n| 3471 | 3472 | 3473 | 3475 | 3477 |\n| 3478 | 3479 | 3484 | 3485 | 3486 |\n| 3493 | 3494 | 3511 | 3522 |      |\n\nRequirement: Remove the shunt from connector 38 Delta b in accordance with Eurocopter Alert Service Bulletin 24.00.09 dated 18 March 2002.\n\nNote: DGAC AD 2002-187-090(A) refers.\n\nCompliance: Within 100 hours time in service after the effective date of this Directive.\n\nThis Airworthiness Directive becomes effective on 13 June 2002.\n\nBackground: The French Direction Générale de l’Aviation Civile has advised that helicopters using the basic 150 Amp electrical power generating system may be fitted with a cable loom designed for the optional 200 Amp system. This wiring anomaly may induce an overload of the electrical power generating system and can result in disconnection of the generator.\n\nThis directive requires the correction of the wiring error at connector 38 Delta b.\n\n![Signature of James Coyne, Delegate of the Civil Aviation Safety Authority.](image.002.png)  \n\nJames Coyne\n\nDelegate of the Civil Aviation Safety Authority 3 May 2002\n\n![](image.001.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 22 May 2002.","sortOrder":1}],"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":2,"scope_assessment":{"changed":false,"description":"The directive does not expand beyond the original safety correction: it targets a wiring error on specified AS350 B3 helicopters without Mod 073146 and requires removal of a shunt at connector 38 Delta b per the Eurocopter service bulletin. The measure aligns with the stated intent to prevent generator overload and does not broaden applicability or impose additional obligations beyond the corrective action and timeframe (Applicability; Requirement; Compliance; Background)."},"complexity_factors":["Single, discrete corrective action (remove shunt at connector 38 Delta b) — low procedural complexity (Requirement).","Narrow applicability limited to specified serial numbers and absence of Modification 073146 — reduces scope complexity (Applicability).","Mandates compliance with a manufacturer service bulletin (Eurocopter ASB 24.00.09) — requires access to that technical documentation (Requirement).","Safety‑critical electrical work on generator wiring — requires qualified maintenance personnel and access to connector location (Background/Requirement).","Short compliance window: within 100 hours TIS — imposes scheduling and operational planning on operators (Compliance).","Regulatory cross‑references (DGAC AD 2002-187-090(A) and CAR 1998 subreg 39.1(1)) — administrative/legal linkage but no added technical steps."],"plain_english_summary":"**Mechanically,** this AD requires owners/operators of specified **Eurocopter AS350 B3** helicopters (listed serial numbers, without Mod 073146) to remove a shunt at connector 38 Delta b in accordance with Eurocopter Alert Service Bulletin 24.00.09, and to do so within 100 hours' time-in-service (Requirement; Compliance). The action corrects a wiring anomaly that can overload a 150‑amp generator when a 200‑amp loom is fitted (Background). Owners/operators pay for and schedule the work."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This Airworthiness Directive maintains its original narrow scope. It addresses a specific, identified safety defect in a limited production run of helicopters. There is no evidence of scope creep; the directive remains tightly focused on correcting the identified wiring anomaly in the specified aircraft serial numbers only."},"complexity_factors":["Single, specific mechanical action required (removal of one component)","Narrow applicability: only 19 specific aircraft serial numbers affected","Clear, unambiguous compliance deadline (100 hours time in service)","No nested exceptions or conditional logic—only one exclusion criterion (Modification 073146)","Minimal cross-referencing: only references one external technical document (Eurocopter Alert Service Bulletin) and one related French aviation directive","No defined terms section; technical terms used are standard aviation maintenance terminology"],"plain_english_summary":"This safety order directs owners/operators of 19 specified Eurocopter AS350 B3 helicopters (listed by serial number) that have not received factory Modification 073146 to remove an incorrect shunt from connector \"38 Delta b\" per Eurocopter Alert Service Bulletin 24.00.09. It corrects a factory wiring mistake that can overload and trip the generator in flight, risking loss of critical electrical systems, and must be done within 100 flight hours of the directive."}},"importantCases":[],"_links":{"self":"/api/acts/ad-ecureuil-76-electrical-power","history":"/api/acts/ad-ecureuil-76-electrical-power/history","analysis":"/api/acts/ad-ecureuil-76-electrical-power/analysis","conflicts":"/api/acts/ad-ecureuil-76-electrical-power/conflicts","importantCases":"/api/acts/ad-ecureuil-76-electrical-power/important-cases","documents":"/api/acts/ad-ecureuil-76-electrical-power/documents"}}