{"id":"F2008L00396","name":"AD/ECUREUIL/130 - Rotor Flight Control - Collective Lever Recess","slug":"ad-ecureuil-130-rotor-flight-control-collective-lever-recess","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":119047,"registerId":"commonwealth-F2008L00396-current","compilationNumber":null,"startDate":"2026-04-03","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/130 | Rotor Flight Control - CollectiveLever Recess | 3/2008 |\n| --------------- | --------------------------------------------- | ------ |\n\n| Applicability: | Eurocopter AS 350 helicopters: Models AS 350 B, AS 350 B1, and AS 350 D, all pre MOD 071995.                                                                                                                                                                                                                                                                                                                                                                            |\n| -------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | 1. Modify the collective lever in accordance with instructions detailed in paragraph 2.B. of EUROCOPTER Alert Service Bulletin (ASB) No. 67.00.16 Revision 2 or later approved revison.2. Do not install covers P/N 350A27-1385-20 on any AS 350 series helicopters.Note: EASA AD 2007-0289 dated 19 November 2007 refers.                                                                                                                                              |\n| Compliance:    | 1. Within the next 550 Flight Hours or 12 months, after the effective date of this AD, whichever occurs first.2. From the effective date of this AD.                                                                                                                                                                                                                                                                                                                    |\n|                | This Airworthiness Directive becomes effective on 13 March 2008.                                                                                                                                                                                                                                                                                                                                                                                                        |\n| Background:    | EASA have advised of a collective lever jamming, which occurred on an AS 350 helicopter on taking-off. This incident was caused by a foreign object which had penetrated inside the upper recess of the slide and made the collective lever jam. The actions specified by this AD are intended to prevent any further travel restriction caused by foreign objects, which can cause loss of collective pitch control, and subsequent loss of control of the helicopter. |\n\n![](image.001.png)  \nCharles Lenarcic  \nDelegate of the Civil Aviation Safety Authority\n\n21 January 2008","sortOrder":0},{"sectionNumber":"AD/ECUREUIL/130","sectionType":"part","heading":"AD/ECUREUIL/130","content":"## AD/ECUREUIL/130","sortOrder":1},{"sectionNumber":"Rotor Flight Control - CollectiveLever R","sectionType":"part","heading":"Rotor Flight Control - CollectiveLever Recess","content":"## Rotor Flight Control - Collective  \nLever Recess","sortOrder":2},{"sectionNumber":"3/2008","sectionType":"part","heading":"3/2008","content":"## 3/2008","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":false,"description":"The AD implements the safety action described in its Background without expanding the stated intent. It targets a defined subset of AS350 helicopters (pre MOD 071995), mandates a modification per the Eurocopter ASB and bans a particular cover part, with a 550 flight‑hour / 12‑month compliance window (Applicability; Requirement; Compliance; Background)."},"complexity_factors":["Targeted applicability to specific models and production status (AS350 B, B1, D; pre MOD 071995) — (Applicability).","Mandated modification must follow an external document (EUROCOPTER ASB No. 67.00.16 Rev 2 or later approved revision) creating reliance on an external maintenance instruction (Requirement 1).","Prohibition on installing a specific part number (cover P/N 350A27-1385-20) that affects future maintenance/parts sourcing (Requirement 2).","Compliance timeframe expressed as '550 flight hours or 12 months, whichever occurs first' requires operators to track flight hours and calendar time (Compliance 1).","Effective date and regulatory enforcement timing (becomes effective 13 March 2008) for operational planning (Effective date).","Safety rationale tied to a single failure mode (foreign-object ingress and lever jamming) described in the Background, which narrows but also concentrates risk mitigation.","Reference to EASA AD 2007-0289 in the Note creates a cross-jurisdictional regulatory linkage (Requirement Note)."],"plain_english_summary":"This Airworthiness Directive requires owners/operators of Eurocopter AS350 B, B1 and D helicopters (those built before MOD 071995) to modify the collective-lever recess per Eurocopter Alert Service Bulletin No. 67.00.16 Rev 2 (or later approved) and prohibits installing cover P/N 350A27-1385-20. It addresses an incident where a foreign object entered the collective recess and jammed the lever, creating a risk of loss of collective pitch control and loss of helicopter control."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a targeted safety directive addressing a specific mechanical defect in specific helicopter models. The scope remains precisely limited to the identified safety risk (collective lever jamming) and does not extend beyond the original safety purpose."},"complexity_factors":["Single, specific technical requirement with clear reference to external service bulletin","Limited applicability (three specific helicopter models, pre-modification only)","Simple two-part compliance structure with straightforward deadline calculation","No nested exceptions, conditional logic, or extensive defined terms","Background provides clear causal explanation in plain language","Short document (approximately 200 words of substantive content)"],"plain_english_summary":"This mandatory CASA Airworthiness Directive requires owners/operators of certain pre‑MOD 071995 Eurocopter AS350 B, B1 and D helicopters to modify the collective lever to prevent foreign‑object jamming and to stop using a specific cover (P/N 350A27‑1385‑20). \n\nIt affects operators and maintenance organisations servicing those helicopters and aims to prevent a repeat of a reported takeoff jam that could cause loss of control. Compliance must follow Eurocopter’s service instructions within the AD’s specified timeframe."}},"importantCases":[],"_links":{"self":"/api/acts/ad-ecureuil-130-rotor-flight-control-collective-lever-recess","history":"/api/acts/ad-ecureuil-130-rotor-flight-control-collective-lever-recess/history","analysis":"/api/acts/ad-ecureuil-130-rotor-flight-control-collective-lever-recess/analysis","conflicts":"/api/acts/ad-ecureuil-130-rotor-flight-control-collective-lever-recess/conflicts","importantCases":"/api/acts/ad-ecureuil-130-rotor-flight-control-collective-lever-recess/important-cases","documents":"/api/acts/ad-ecureuil-130-rotor-flight-control-collective-lever-recess/documents"}}