{"id":"F2006L01025","name":"AD/F2000/10 - Ice and Rain Protection - Outboard Leading Edge Slats","slug":"ad-f2000-10-ice-and-rain-protection-outboard-leading-edge-slats","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":58302,"registerId":"commonwealth-F2006L01025-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Dassault Aviation Falcon 2000 Series Aer","sectionType":"division","heading":"Dassault Aviation Falcon 2000 Series Aeroplanes","content":"### Dassault Aviation Falcon 2000 Series Aeroplanes\n\n| AD/F2000/10 | Ice and Rain Protection - OutboardLeading Edge Slats | 5/2006 |\n| ----------- | ---------------------------------------------------- | ------ |\n\n| Applicability: | Falcon 2000 aircraft S/N 1 to 223 and Falcon 2000EX S/N 1 to 69.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |\n| -------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | 1. Inspect the outboard slats in accordance with the instructions detailed inF2000-331, or F2000EX-91 as is applicable.2. For F2000 and F2000EX which have incorrect slats installed:Repair the manifold according to the instructions detailed in F2000-331, or F2000EX-91 as is applicable.This is a terminating action for this AD for the relevant aircraft.Note: EASA AD 2006-0037dated 1 February 2006 refers.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |\n| Compliance:    | 1. Within 330 Flight Hours (FH) or 7 months, whichever comes first, following the effective date of this AD.2. Before further flight.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |\n|                | This Airworthiness Directive becomes effective on 11 May 2006.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |\n| Background:    | Wings of MF5O, MF900, F900EX, F2000 and F2000EX are aerodynamically identical on many points. Outboard slats on all 5 models have the same external shape and are mechanically interchangeable. However, hot air anti-icing systems on MF5O are different from those on MF900 I F900EX I F2000 and F2000EX aeroplanes; therefore the slats are functionally not equivalent.It has been found, during an internal review, that interchangeability of outboard slats between MF5O and MF900 I F900EX or F2000 / F2000EX had been erroneously authorized in some limited cases. The outboard slats P/N identification plates also appear to be misleading. Exchanges occurring after delivery of the aircraft may have led to installation of outboard slats of the type not adapted to the aircraft model. Repairs may have led to installation of anti-icing manifolds (“piccolos tubes”) of a type not adapted to the aircraft model.This may jeopardize the aircraft, by modifying its anti-icing performance. |\n\n|     | The purpose of this Airworthiness Directive (AD) is to check that all aircraft are fitted with the correct outboard slats, and to correct, either by an exchange or a repair, any discrepancy encountered. |\n| --- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n\n![](image.001.png)  \nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n17 March 2006","sortOrder":0},{"sectionNumber":"AD/F2000/10","sectionType":"part","heading":"AD/F2000/10","content":"## AD/F2000/10","sortOrder":1},{"sectionNumber":"Ice and Rain Protection - OutboardLeadin","sectionType":"part","heading":"Ice and Rain Protection - OutboardLeading Edge Slats","content":"## Ice and Rain Protection - Outboard  \nLeading Edge Slats","sortOrder":2},{"sectionNumber":"5/2006","sectionType":"part","heading":"5/2006","content":"## 5/2006","sortOrder":3}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard Airworthiness Directive with a focused, single-purpose scope: correcting a specific parts interchangeability error for defined aircraft. It has not expanded beyond its original safety intent."},"complexity_factors":["Very short document (approximately 300 words of substantive content)","Only 2 defined terms implicitly used (FH = Flight Hours, P/N = Part Number)","Simple two-step compliance structure: inspect, then repair if needed","No cross-references to other legislation or complex conditional logic","Single terminating action with clear deadline","Narrow, specific applicability (two aircraft models with defined serial number ranges)"],"plain_english_summary":"This AD requires owners/operators of Dassault Falcon 2000 (S/N 1–223) and 2000EX (S/N 1–69) to inspect the outboard leading‑edge slats to confirm they’re the correct type, because some aircraft were fitted with MF50 slats that have incompatible anti‑icing plumbing.\n\nInspections must be done within 330 flight hours or seven months, and any incorrect slats must be repaired or replaced before further flight to prevent hazardous ice accumulation."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The AD confines itself to checking and correcting outboard leading edge slats and associated anti-icing manifolds on specified Falcon 2000 and 2000EX serial numbers. That is consistent with the directive's stated original purpose (ensuring correct parts are fitted to preserve anti‑icing performance). It does not expand into unrelated systems, operational limitations, or broader certification changes, so the scope has not grown beyond the original safety-focused intent."},"complexity_factors":["Short, single-issue Airworthiness Directive focused on one component (outboard slats/manifolds)","Two serial-number ranges (Falcon 2000 S/N 1–223; Falcon 2000EX S/N 1–69) define applicability","Conditional action: inspection required; repair only if incorrect parts are found (simple conditional logic)","Cross-reference to two external service documents for procedural detail (F2000-331 and F2000EX-91)","Fixed compliance window with two metrics (330 flight hours OR 7 months) and an immediate-before-next-flight requirement for discovered defects","Terminology/identification ambiguity noted (misleading P/N plates) increases practical verification complexity","Reference to an external foreign regulator AD (EASA AD 2006-0037) but not relied on for additional local conditions"],"plain_english_summary":"**What this directive does (mechanically)**\n\n- Applies to: Dassault Falcon 2000 aircraft serial numbers 1–223 and Falcon 2000EX serial numbers 1–69. (Applicability)\n- Requires operators to:  \n  - Inspect the outboard leading edge slats following the instructions in the relevant Dassault service document (F2000-331 for Falcon 2000 or F2000EX-91 for Falcon 2000EX). (Requirement)  \n  - If the inspection finds incorrect slats or incorrect anti‑icing manifolds installed, repair the manifold as instructed in the same service document. Completing that repair is the \"terminating action\" for this directive for that aircraft (i.e. once repaired, no further action under this AD is required). (Requirement)\n- Timing:  \n  - The inspection must be done within 330 flight hours or 7 months from the AD's effective date, whichever comes first.  \n  - If an aircraft is found with incorrect slats or manifolds during the inspection, the required repair must be carried out before the aircraft flies again. (Compliance)\n\n**Why this matters (stated purpose and mechanical risk)**\n\n- Dassault discovered that outboard slats and their anti‑icing manifolds (small hot‑air tubes known as \"piccolo\" tubes) that look externally similar were in some cases interchanged between different Falcon models. The hot‑air anti‑icing systems differ between some models, so installing the wrong slat or manifold can change anti‑icing performance. (Background)\n- The AD's stated purpose is to make sure the correct slats/manifolds are installed and to correct any discrepancies so anti‑icing works as intended. (Background)\n\n**Who this affects and who pays**\n\n- Primary affected parties: operators/owners of the listed Falcon 2000 and 2000EX serial-numbered aircraft, and approved maintenance organisations that perform the inspections/repairs. (Applicability; Requirement)\n- Who pays: operators bear the direct costs of the inspection(s) and any repairs or part exchanges required. Indirect costs include downtime while the work is completed. (Requirement; Compliance)\n\n**How decisions are made and what changes in behaviour**\n\n- The maintenance organisation or operator follows the referenced Dassault service instructions to perform inspections and any repairs. Completion of the prescribed repair removes the aircraft from further AD action (terminating action). (Requirement)\n- Operators will need to check records and physical part identification to confirm slat/manifold configuration and may need to change parts or repair manifolds where incorrect parts have been fitted. (Background; Requirement)\n\n**Implementation, compliance burden and risks**\n\n- The AD references external service documents (F2000-331 or F2000EX-91) for the exact inspection and repair steps; operators must have access to and follow those documents to comply. (Requirement)  \n- There is a moderate compliance burden: an inspection within a defined window (330 FH / 7 months) and immediate repair if an incorrect part is found. Repairs must be completed before the next flight if discrepancies are discovered, which can cause immediate aircraft grounding and scheduling disruption. (Compliance; Requirement)\n- Identification risk: the AD notes part-number identification plates can be misleading, so record checks alone may be insufficient; physical inspection or part verification will be required. That increases time and diagnostic work. (Background)\n- Cost risk: if incorrect slats/manifolds are discovered, operators will incur parts, labour and downtime costs. The directive does not prescribe who supplies replacement parts; that is a commercial matter between operators and suppliers. (Requirement)\n\n**Trade-offs, incentives and market effects**\n\n- Incentives: the AD creates a clear safety-driven incentive for operators to verify slat/manifold compatibility and to avoid future improper exchanges — this may encourage tighter parts control and recordkeeping by operators and maintenance providers. (Background; Requirement)\n- Concentrated benefits vs diffuse costs: the safety benefit accrues to each aircraft/operator (concentrated), while the costs (inspection and possible repairs) are borne by the same operators (also concentrated). There is no broad subsidy or compensating mechanism from the regulator in the AD text. (Requirement; Compliance)\n- Competition and supply implications: if correct replacement manifolds or slats are limited in supply, some operators could face delays. The AD does not alter ownership or operational freedom beyond the inspection/repair requirement. (Requirement)\n\n**Claimed purpose vs practical effect**\n\n- The AD's stated aim is to ensure correct anti‑icing performance by verifying and, if necessary, correcting slat/manifold installations. (Background)\n- Practically, it forces an inspection and immediate remediation where incorrect parts exist, increasing short‑term maintenance workload and potential downtime. The AD achieves the stated mechanical correction but does not address underlying causes such as parts-label clarity or supply-chain practices except by mandating inspections and repairs. (Background; Requirement)\n\n**Where to look in the directive for details**\n\n- Applicability: which aircraft are affected.  \n- Requirement: the steps to inspect and repair, and which service documents to use.  \n- Compliance: inspection window and requirement to repair before further flight.  \n\nSigned: Delegate of the Civil Aviation Safety Authority (document signature area)."},"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"}},"importantCases":[],"_links":{"self":"/api/acts/ad-f2000-10-ice-and-rain-protection-outboard-leading-edge-slats","history":"/api/acts/ad-f2000-10-ice-and-rain-protection-outboard-leading-edge-slats/history","analysis":"/api/acts/ad-f2000-10-ice-and-rain-protection-outboard-leading-edge-slats/analysis","conflicts":"/api/acts/ad-f2000-10-ice-and-rain-protection-outboard-leading-edge-slats/conflicts","importantCases":"/api/acts/ad-f2000-10-ice-and-rain-protection-outboard-leading-edge-slats/important-cases","documents":"/api/acts/ad-f2000-10-ice-and-rain-protection-outboard-leading-edge-slats/documents"}}