{"id":"F2009L02197","name":"AD/ERJ-190/21 - Airframe Structural Components","slug":"ad-erj-190-21-airframe-structural-components","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":140396,"registerId":"commonwealth-F2009L02197-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Embraer ERJ-190 Series Aeroplanes","sectionType":"division","heading":"Embraer ERJ-190 Series Aeroplanes","content":"### Embraer ERJ-190 Series Aeroplanes\n\n| AD/ERJ-190/21 | Airframe Structural Components | 7/2009 |\n| ------------- | ------------------------------ | ------ |\n\n| Applicability: | Model ERJ 190-100 IGW, ERJ 190-100 LR and ERJ 190-100 STD aircraft.Model ERJ 190-200 1GW, ERJ 190-200 LR and ERJ 190-200 STD aircraft.                                                                                                                                                                                                                                                                                                      |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Action in accordance with the requirements of ANAC AD 2009-04-02 Amdt39-1265.                                                                                                                                                                                                                                                                                                                                                               |\n| Compliance:    | As specified in the Requirement document, with a revised effective date of2 July 2009.                                                                                                                                                                                                                                                                                                                                                      |\n|                | This Airworthiness Directive becomes effective on 2 July 2009.                                                                                                                                                                                                                                                                                                                                                                              |\n| Background:    | Cracks were detected in some structural components during ERJ 190 aircraft full scale fatigue testing. Analysis of the cracking has resulted in modifications to the aircraft Airworthiness Limitation Items to include new inspections tasks or modification of existing ones, and respective thresholds and intervals. Undetected fatigue cracking in the affected areas could adversely affect the structural integrity of the aircraft. |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n19 May 2009","sortOrder":0},{"sectionNumber":"AD/ERJ-190/21","sectionType":"part","heading":"AD/ERJ-190/21","content":"## AD/ERJ-190/21","sortOrder":1},{"sectionNumber":"Airframe Structural Components","sectionType":"part","heading":"Airframe Structural Components","content":"## Airframe Structural Components","sortOrder":2},{"sectionNumber":"7/2009","sectionType":"part","heading":"7/2009","content":"## 7/2009","sortOrder":3}],"analysis":{"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"},"flash_summary":{"complexity_score":6,"scope_assessment":{"changed":false,"description":"The AD adopts the requirements of ANAC AD 2009-04-02 Amdt39-1265 for the listed ERJ-190 variants and states a revised effective date. The text shows no change to the substantive applicability or mandated inspections/modifications, only an administrative effective-date revision (Requirement; Compliance)."},"complexity_factors":["Technical content — addresses fatigue cracking and airframe structural inspections requiring aviation engineering expertise (Background).","Cross-reference to external regulator document — directs action 'in accordance with ANAC AD 2009-04-02 Amdt39-1265', so operators must obtain and interpret another jurisdiction's AD (Requirement).","Multiple-model applicability — covers several ERJ 190-100 and 190-200 variants, increasing fleet-level variability (Applicability).","Safety-critical compliance detail — changes to Airworthiness Limitation Items, thresholds and intervals create precise maintenance obligations and program adjustments (Background).","Timing and administrative change — revised effective date affects scheduling and compliance planning (Compliance: revised effective date of 2 July 2009).","Regulatory delegation — enforcement issued by CASA delegate, indicating administrative decision-making and formal adoption (signature/delegate line)."],"plain_english_summary":"This Airworthiness Directive requires operators of Embraer ERJ‑190 series aircraft to carry out inspections or modifications to airframe structural components in line with ANAC AD 2009‑04‑02 Amdt39‑1265, effective 2 July 2009. It applies to ERJ‑190‑100 and ERJ‑190‑200 variants and affects aircraft owners/operators who must schedule and pay for the specified inspection tasks or modifications. CASA (via its delegate) enforces the requirement to address fatigue cracking detected in full‑scale testing."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard, narrow Airworthiness Directive with a clear, original purpose: address specific fatigue cracking discovered in ERJ-190 aircraft during testing. The scope remains tightly focused on the identified safety issue and affected aircraft models. No scope creep is evident."},"complexity_factors":["Very short document (approximately 200 words of substantive content)","Only 1 defined term implicitly referenced (ANAC AD 2009-04-02 — the Brazilian source document)","No nested conditional logic or exceptions","Single compliance pathway: follow the external ANAC directive","No cross-references to other Australian legislation beyond the standard CASA delegation framework","Straightforward applicability table with 6 specific aircraft models listed"],"plain_english_summary":"This CASA Airworthiness Directive mandates that operators of specified Embraer ERJ-190 -100 and -200 series (IGW, LR, STD) comply with Brazilian ANAC AD 2009-04-02: implement inspections and repairs to detect and correct fatigue cracks found in full-scale testing.  \n\nIt’s legally binding for Australian operators and maintenance organizations, with compliance required by 2 July 2009 to prevent structural failure."}},"importantCases":[],"_links":{"self":"/api/acts/ad-erj-190-21-airframe-structural-components","history":"/api/acts/ad-erj-190-21-airframe-structural-components/history","analysis":"/api/acts/ad-erj-190-21-airframe-structural-components/analysis","conflicts":"/api/acts/ad-erj-190-21-airframe-structural-components/conflicts","importantCases":"/api/acts/ad-erj-190-21-airframe-structural-components/important-cases","documents":"/api/acts/ad-erj-190-21-airframe-structural-components/documents"}}