{"id":"F2006B02906","name":"AD/B737/209 - Engine Mount - Inspection","slug":"ad-b737-209-engine-mount-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":42248,"registerId":"commonwealth-F2006B02906-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# AIRWORTHINESS DIRECTIVE\n\n![](image.001.png)\n\n![](image.001.png)  \nFor the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.\n\nBoeing 737 Series Aeroplanes","sortOrder":0},{"sectionNumber":"AD/B737/209 Engine Mount - Inspection 4/","sectionType":"part","heading":"AD/B737/209 Engine Mount - Inspection 4/2003","content":"# AD/B737/209 Engine Mount \\- Inspection 4/2003\n\nApplicability: Boeing B737-600, \\-700, \\-700C, \\-800 and \\-900 series aeroplanes. Requirement: Action per the requirements of FAA AD 2003-03-01, Amdt 39-13025.\n\nCompliance: As detailed in the requirement document with revised effective date of this directive.\n\nThis Airworthiness Directive becomes effective on 17 April 2003.\n\nBackground: The Centre Link Assembly on the engine mount could be assembled incorrectly and this directive introduces inspection and corrective actions to prevent recurrence.\n\n![Signature of James Coyne, Delegate of the Civil Aviation Safety Authority.](image.002.png)  \n\nJames Coyne\n\nDelegate of the Civil Aviation Safety Authority 10 March 2003\n\n![](image.001.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 26 March 2003.","sortOrder":1}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1355},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This appears to be the original issuance of AD/B737/209, establishing the baseline requirement for engine mount inspections on the specified aircraft models. The scope aligns with the stated safety issue regarding Centre Link Assembly defects."},"complexity_factors":["Incorporation by reference of external FAA AD 2003-03-01 (requires reading a separate US document for actual instructions)","Narrow applicability limited to five specific Boeing 737 variants","No defined terms section or nested conditional logic","Single requirement with straightforward compliance pathway"],"plain_english_summary":"This directive orders airlines and other operators of Boeing 737-600/700/700C/800/900 series aircraft in Australia to inspect engine mounts for misassembly of the Centre Link Assembly, following FAA AD 2003-03-01.  \n\nIt aims to detect and correct defects that could cause engine-mount failure — and in the worst case, engine separation — protecting aircraft structural integrity and flight safety."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b737-209-engine-mount-inspection","history":"/api/acts/ad-b737-209-engine-mount-inspection/history","analysis":"/api/acts/ad-b737-209-engine-mount-inspection/analysis","conflicts":"/api/acts/ad-b737-209-engine-mount-inspection/conflicts","importantCases":"/api/acts/ad-b737-209-engine-mount-inspection/important-cases","documents":"/api/acts/ad-b737-209-engine-mount-inspection/documents"}}