{"id":"F2010L00093","name":"AD/GAF-N22/52 Amdt 1 - Stub Wing Upper Front Spar Cap","slug":"ad-gaf-n22-52-amdt-1-stub-wing-upper-front-spar-cap","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":122791,"registerId":"commonwealth-F2010L00093-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"GAF N22 and N24 Series Aeroplanes","sectionType":"division","heading":"GAF N22 and N24 Series Aeroplanes","content":"### GAF N22 and N24 Series Aeroplanes\n\n| AD/GAF-N22/52 Amdt 1 | Stub Wing Upper Front Spar Cap | 1/2010 |\n| -------------------- | ------------------------------ | ------ |\n\n| Applicability: | All models.                                                                                                                                                                                                                                                                                                                                                                            |\n| -------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Action in accordance with Nomad Service Bulletin NMD-53-22.                                                                                                                                                                                                                                                                                                                            |\n| Compliance:    | As detailed in the Requirement Document.                                                                                                                                                                                                                                                                                                                                               |\n|                | This Amendment becomes effective on 29 January 2010.                                                                                                                                                                                                                                                                                                                                   |\n| Background:    | The results of full scale fatigue tests being conducted by the manufacturer have shown the need for inspection of critical fastener holes in the stub wing upper front spar cap, near the wing strut attachment.Amendment 1 adopts the manufacturer’s latest service bulletin. Its new inspection method avoids having to remove the Huck bolts and the potential to damage the holes. |\n\n![](image.001.png)\n\nMike Higgins  \nDelegate of the Civil Aviation Safety Authority\n\n4 January 2010","sortOrder":0},{"sectionNumber":"AD/GAF-N22/52 Amdt 1","sectionType":"part","heading":"AD/GAF-N22/52 Amdt 1","content":"## AD/GAF-N22/52 Amdt 1","sortOrder":1},{"sectionNumber":"Stub Wing Upper Front Spar Cap","sectionType":"part","heading":"Stub Wing Upper Front Spar Cap","content":"## Stub Wing Upper Front Spar Cap","sortOrder":2},{"sectionNumber":"1/2010","sectionType":"part","heading":"1/2010","content":"## 1/2010","sortOrder":3}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a narrow, technical amendment to an existing airworthiness directive. It updates the inspection method for a specific aircraft component without expanding the scope beyond the original safety concern."},"complexity_factors":["Very short document (approximately 150 words of substantive content)","Only one substantive requirement: comply with an external service bulletin","No defined terms section","No conditional logic or nested exceptions","Single cross-reference to external document (Service Bulletin NMD-53-22)","Straightforward applicability (\"All models\")","Clear compliance deadline (effective date specified)"],"plain_english_summary":"This Airworthiness Directive requires owners, operators and maintainers of GAF N22/N24 \"Nomad\" aircraft in Australia to inspect the stub wing upper front spar cap fastener holes for fatigue cracking to prevent structural failure. Amendment 1 adopts the manufacturer’s improved, less‑invasive inspection method (no Huck‑bolt removal) and directs compliance with Nomad Service Bulletin NMD‑53‑22."},"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":2,"scope_assessment":{"changed":true,"description":"Amendment 1 updates the prescribed inspection procedure by adopting the manufacturer’s latest Service Bulletin NMD‑53‑22 and introducing a new inspection method that avoids removing Huck bolts. The applicability ('all models') and the basic inspection requirement (stub‑wing upper front spar cap fastener holes near the wing‑strut attachment) remain unchanged; the change is to method and the referenced Requirement Document rather than to target parts or affected fleet."},"complexity_factors":["All‑model applicability — every GAF N22 and N24 aircraft is within scope (Applicability).","Mandates action 'in accordance with Nomad Service Bulletin NMD‑53‑22' — procedural details, intervals and specific techniques are contained in an external Requirement Document (Requirement / Compliance).","Amendment modifies the inspection method to avoid removing Huck bolts — changes tooling/technique and reduces one form of implementation risk (Background).","Compliance is mandatory and given a specific effective date (29 January 2010), creating a fixed start for operator obligations (Compliance / Effective date).","Relatively narrow technical focus (inspection of fastener holes near the wing strut attachment) keeps substantive scope limited, lowering regulatory complexity."],"plain_english_summary":"This airworthiness directive requires operators of GAF N22 and N24 series aeroplanes to inspect critical fastener holes in the stub‑wing upper front spar cap near the wing‑strut attachment, following Nomad Service Bulletin NMD‑53‑22. It is effective 29 January 2010.\n\nAmendment 1 adopts the manufacturer’s latest service bulletin and a new inspection method that avoids removing Huck bolts. Operators pay for inspections and any repairs; compliance must follow the Requirement Document."}},"importantCases":[],"_links":{"self":"/api/acts/ad-gaf-n22-52-amdt-1-stub-wing-upper-front-spar-cap","history":"/api/acts/ad-gaf-n22-52-amdt-1-stub-wing-upper-front-spar-cap/history","analysis":"/api/acts/ad-gaf-n22-52-amdt-1-stub-wing-upper-front-spar-cap/analysis","conflicts":"/api/acts/ad-gaf-n22-52-amdt-1-stub-wing-upper-front-spar-cap/conflicts","importantCases":"/api/acts/ad-gaf-n22-52-amdt-1-stub-wing-upper-front-spar-cap/important-cases","documents":"/api/acts/ad-gaf-n22-52-amdt-1-stub-wing-upper-front-spar-cap/documents"}}