{"id":"F2006L00096","name":"AD/ECUREUIL/116 - Battery Overheat Sensing Circuit Wiring","slug":"ad-ecureuil-116-battery-overheat-sensing-circuit-wiring","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":57955,"registerId":"commonwealth-F2006L00096-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Eurocopter AS 350 (Ecureuil) Series Heli","sectionType":"division","heading":"Eurocopter AS 350 (Ecureuil) Series Helicopters","content":"### Eurocopter AS 350 (Ecureuil) Series Helicopters\n\n| AD/ECUREUIL/116 | Battery Overheat Sensing Circuit Wiring | 2/2006 DM |\n| --------------- | --------------------------------------- | --------- |\n\n| Applicability: | EC130 B4 helicopters pre modification MOD 07 3572.                                                                                                                                                                                                                                                   |\n| -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Modify the wiring of the battery overheat sensing circuit in accordance with Eurocopter Alert Telex No. 24A001 dated 20 December 2005.Note: DGAC AD F-2006-010 EASA approval No 2005-6454 dated 23 December 2005 refers.                                                                             |\n| Compliance:    | Within 110 hours time in service after the effective date of this Directive or before6 February 2006, whichever occurs first.                                                                                                                                                                        |\n|                | This Airworthiness Directive becomes effective on 11 January 2006.                                                                                                                                                                                                                                   |\n| Background:    | Eurocopter has advised that a malfunction of the battery overheat sensing function , due to incorrect wiring of the battery overheat sensing circuit was found during a scheduled inspection.This Directive modifies the wiring of the battery overheat sensing circuit to ensure correct operation. |\n\n![](image.001.png)  \nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n6 January 2006","sortOrder":0},{"sectionNumber":"AD/ECUREUIL/116","sectionType":"part","heading":"AD/ECUREUIL/116","content":"## AD/ECUREUIL/116","sortOrder":1},{"sectionNumber":"Battery Overheat Sensing Circuit Wiring","sectionType":"part","heading":"Battery Overheat Sensing Circuit Wiring","content":"## Battery Overheat Sensing Circuit Wiring","sortOrder":2},{"sectionNumber":"2/2006 DM","sectionType":"part","heading":"2/2006 DM","content":"## 2/2006 DM","sortOrder":3}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"This instrument implements a manufacturer-recommended wiring correction for affected EC130 B4 helicopters. It does not expand the population affected beyond the stated applicability and imposes a time-limited compliance requirement consistent with the stated safety fix (Applicability; Requirement; Compliance)."},"complexity_factors":["Narrow applicability: only EC130 B4 helicopters pre‑MOD 07 3572 (Applicability)","Single, technically specific action: rewiring per manufacturer Alert Telex (Requirement)","Short compliance window: 110 hours or by set calendar date (Compliance)","Dependence on manufacturer's instructions for the exact procedure (Requirement)","Cross-reference to foreign authority approval (DGAC/EASA) adds regulatory linkage (Requirement/Background)"],"plain_english_summary":"This directive requires owners/operators of EC130 B4 helicopters built before modification MOD 07 3572 to modify the wiring of the battery overheat sensing circuit in accordance with Eurocopter Alert Telex No. 24A001 (Requirement). The work must be carried out within 110 flight hours of the directive or by 6 February 2006, whichever is earlier (Compliance). The amendment responds to an incorrect wiring fault found during inspection that could prevent the battery overheat sensing function operating correctly (Background)."},"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 targeted safety directive addressing a specific wiring defect in a specific aircraft type. The scope remains precisely limited to the identified safety risk with no evidence of mission creep or expansion beyond the original technical purpose."},"complexity_factors":["Single, specific technical requirement (rewire one circuit)","Narrow applicability (one helicopter model, one modification status)","Clear compliance deadline (dual trigger: flight hours or calendar date)","No nested exceptions or conditional logic","No defined terms section — uses plain technical language","Short document (approximately 150 words of substantive content)","Single cross-reference (to Eurocopter's technical document and French/EASA equivalent directive)"],"plain_english_summary":"This CASA Airworthiness Directive requires operators of Eurocopter EC130 B4 helicopters (those without factory MOD 07 3572) to correct an incorrectly installed battery overheat sensing circuit per Eurocopter Alert Telex No. 24A001. The fix must be done within 110 flight hours after 11 Jan 2006 or by 6 Feb 2006, whichever comes first. It prevents an undetected battery overheat that could lead to a fire in flight."}},"importantCases":[],"_links":{"self":"/api/acts/ad-ecureuil-116-battery-overheat-sensing-circuit-wiring","history":"/api/acts/ad-ecureuil-116-battery-overheat-sensing-circuit-wiring/history","analysis":"/api/acts/ad-ecureuil-116-battery-overheat-sensing-circuit-wiring/analysis","conflicts":"/api/acts/ad-ecureuil-116-battery-overheat-sensing-circuit-wiring/conflicts","importantCases":"/api/acts/ad-ecureuil-116-battery-overheat-sensing-circuit-wiring/important-cases","documents":"/api/acts/ad-ecureuil-116-battery-overheat-sensing-circuit-wiring/documents"}}