{"id":"F2008L03706","name":"AD/EC 225/7 - Fuselage - Frame 5295 and Outer Skin Panelling","slug":"ad-ec-225-7-fuselage-frame-5295-and-outer-skin-panelling","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":75417,"registerId":"commonwealth-F2008L03706-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Eurocopter EC 225 Series Helicopters","sectionType":"division","heading":"Eurocopter EC 225 Series Helicopters","content":"### Eurocopter EC 225 Series Helicopters\n\n| AD/EC 225/7 | Fuselage - Frame 5295 and Outer Skin Panelling | 11/2008 |\n| ----------- | ---------------------------------------------- | ------- |\n\n| Applicability: | EC 225 LP helicopters, all serial numbers, which do not have Modification 0726493 or 0726517 (in compliance with Eurocopter service bulletin No. 53-003).                                                                                                                                                                        |\n| -------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Action in accordance with the technical requirements of EASA AD 2006-0102 Revision 1 dated 27 October 2006.Note 1: EC 225 LP Alert Service Bulletin No. 05A001 R1 or later approved revision refers.Note 2: Accomplishment of Eurocopter service bulletin No. 53-003, is terminating action for the requirements of this AD.     |\n| Compliance:    | As specified in the requirement document with a revised effective date of23 October 2008.                                                                                                                                                                                                                                        |\n|                | This Airworthiness Directive becomes effective on 23 October 2008.                                                                                                                                                                                                                                                               |\n| Background:    | This Airworthiness Directive is raised to visually inspect for cracking in the outer and inner skin panelling and the butt strap at the attachment points of the Main Gearbox sliding cowling rails.This is following the detection of cracking on the LH side of frame 5295 on anAS 332 L2 helicopter with 16,100 flying hours. |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n27 August 2008","sortOrder":0},{"sectionNumber":"AD/EC 225/7","sectionType":"part","heading":"AD/EC 225/7","content":"## AD/EC 225/7","sortOrder":1},{"sectionNumber":"Fuselage - Frame 5295 and Outer Skin Pan","sectionType":"part","heading":"Fuselage - Frame 5295 and Outer Skin Panelling","content":"## Fuselage - Frame 5295 and Outer Skin Panelling","sortOrder":2},{"sectionNumber":"11/2008","sectionType":"part","heading":"11/2008","content":"## 11/2008","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":5,"scope_assessment":{"changed":false,"description":"Scope is limited to EC 225 LP helicopters that have not incorporated Mod 0726493 or 0726517 and specifies that completing Eurocopter SB No. 53-003 terminates the AD. The instrument itself does not indicate any change from an earlier scope; it clarifies applicability, required inspections, and a terminating action."},"complexity_factors":["Cross-references to external mandatory documents increase procedural complexity: Requirement directs action in accordance with EASA AD 2006-0102 Revision 1 (\"Requirement\"), plus references to EC 225 LP Alert Service Bulletin No. 05A001 R1 and Eurocopter service bulletin No. 53-003 (Notes).","Conditional applicability narrows affected fleet but requires checks of modification status: applies to EC 225 LP helicopters that do not have Mod 0726493 or 0726517 (\"Applicability\").","Terminating action available but requires operators to implement a specific service bulletin to remove ongoing obligation: accomplishment of SB No. 53-003 is terminating action for this AD (Note 2).","Substantive inspection task defined but not fully detailed in the AD text here—operators must follow the referenced EASA/service-bulletin technical requirements for inspection method, intervals and corrective actions (\"Requirement\" and \"Background\").","Fixed compliance and enforcement timeline creates scheduling pressure: AD becomes effective 23 October 2008 (\"Compliance\").","Who pays and who decides: operators bear inspection and repair costs and must decide scheduling; the Civil Aviation Safety Authority (delegate) issues and enforces the AD (signature block).","Operational impact concentrated on aircraft without the two listed modifications; benefits of terminating action are concentrated for operators who elect the modification or SB compliance (implied by Applicability and Note 2).","Administrative burden: verifying modification status, coordinating inspections to referenced external documents, and documenting compliance for regulator oversight (implied across \"Applicability\", \"Requirement\" and \"Compliance\")."],"plain_english_summary":"This Airworthiness Directive requires operators of Eurocopter EC 225 LP helicopters (unless Modification 0726493 or 0726517 has been incorporated) to perform visual inspections of outer and inner skin panelling and the butt strap at the main gearbox sliding-cowling rail attachment points, following the technical requirements of EASA AD 2006-0102 Rev 1 and referenced Eurocopter service bulletins. It is effective 23 October 2008 and places inspection and remedial costs and scheduling on aircraft operators."},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is a standard, narrow Airworthiness Directive focused on a specific structural inspection. It has not expanded beyond its original safety purpose — addressing a known cracking issue in a specific helicopter frame location. The scope remains tightly constrained to the EC 225 LP model series and the specific Frame 5295/skin paneling inspection."},"complexity_factors":["Short, single-purpose directive (approximately 200 words of substantive content)","Only 2 defined technical terms requiring external reference (EASA AD 2006-0102 Revision 1, Eurocopter Service Bulletin 53-003)","Simple conditional applicability: applies to all serial numbers EXCEPT those with specific modifications","Single compliance pathway with clear terminating action","No nested exceptions or multi-layered conditional logic","Heavy reliance on external technical documents for actual inspection procedures (the AD itself doesn't specify how to inspect, only that you must follow the European document)"],"plain_english_summary":"This AD requires owners/operators of Eurocopter EC225 LP helicopters to perform visual inspections for fuselage cracks—outer/inner skins, the butt strap at main gearbox sliding cowling rail attachments, and around Frame 5295—unless specific Eurocopter modifications (per Service Bulletin 53‑003) are already installed. Prompted by crack findings on a related model, the mandatory directive (effective 23 Oct 2008) adopts EASA AD 2006‑0102 Rev 1 to prevent structural failure."}},"importantCases":[],"_links":{"self":"/api/acts/ad-ec-225-7-fuselage-frame-5295-and-outer-skin-panelling","history":"/api/acts/ad-ec-225-7-fuselage-frame-5295-and-outer-skin-panelling/history","analysis":"/api/acts/ad-ec-225-7-fuselage-frame-5295-and-outer-skin-panelling/analysis","conflicts":"/api/acts/ad-ec-225-7-fuselage-frame-5295-and-outer-skin-panelling/conflicts","importantCases":"/api/acts/ad-ec-225-7-fuselage-frame-5295-and-outer-skin-panelling/important-cases","documents":"/api/acts/ad-ec-225-7-fuselage-frame-5295-and-outer-skin-panelling/documents"}}