{"id":"F2006B07813","name":"Airworthiness Directives 2004 - Revocation and Remaking - Cessna 750 (Citation X) Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-cessna-750-citation-x-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50684,"registerId":"commonwealth-F2006B07813-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Airworthiness Directives 2004 - Revocation and Remaking - Cessna 750 (Citation X) Series Aeroplanes","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 20.2\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\n Airworthiness Directives 2004\n\n I, DAVID ALAN VILLIERS, delegate of the Civil Aviation Safety\n\n Authority, acting under subregulation 39.001 (1) of the Civil\n\n Aviation Safety Regulations 1998:\n\n (a) revoke the Airworthiness Directives mentioned in\n\n Schedule 1; and\n\n (b) make, as separate instruments, each Airworthiness\n\n Directive mentioned in Schedule 1 and attached.\n\n \n\n ![](image.001.png)\n\n David Villiers\n\n Delegate of the Civil Aviation Safety Authority\n\n \n\n  20 December 2004\n\n Note:   Each attached Airworthiness Directive is being re-made in exactly the\n\n same form as appears in the latest published edition of the Directive.\n\n \n\n\n Schedule 1 Revocation and Remaking of\n\n Airworthiness Directives\n\n Cessna 750 (Citation X) Series Aeroplanes\n\n AD Name AD Number\n\n Bulkhead Web Doubler AD/CESSNA 750/1\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a pure administrative remaking under the same regulatory power. The scope remains identical — one specific airworthiness directive for one specific aircraft type regarding one specific structural component. The note explicitly states the directive is being remade 'in exactly the same form'."},"complexity_factors":["Very short instrument (under 300 words)","Only one substantive airworthiness directive being remade","No defined terms section","No conditional logic or nested exceptions","Single cross-reference to subregulation 39.001(1) of the CASR 1998","Straightforward administrative action with no policy changes"],"plain_english_summary":"**What this does:**\nThis instrument is an administrative housekeeping measure by the Civil Aviation Safety Authority (CASA). It **revokes** (cancels) an existing airworthiness directive and **remakes** it as a separate legal instrument in exactly the same form.\n\n**Who it affects:**\n- **Owners and operators** of Cessna 750 (Citation X) business jets\n- **Maintenance organisations** that service these aircraft\n- **Pilots** flying these aircraft\n\n**Why it matters:**\nAirworthiness directives (ADs) are mandatory safety instructions issued when a design flaw, maintenance issue, or operational problem is found that could affect flight safety. This particular AD concerns the **\"Bulkhead Web Doubler\"** — a structural reinforcement component in the aircraft's fuselage.\n\nThe remaking doesn't change the safety requirement itself. Instead, it's a **technical legal restructuring** — moving the directive from one regulatory format to another to ensure it sits properly under the Civil Aviation Safety Regulations 1998. The aircraft still needs the same inspection or repair work done; only the legal \"wrapper\" has changed.\n\n**Key takeaway:** If you operate a Cessna Citation X, check that your maintenance records show compliance with **AD/CESSNA 750/1** regarding the bulkhead web doubler. The safety requirement hasn't changed, but the legal instrument has been refreshed."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument does not change the substantive scope of the listed Airworthiness Directive. It revokes the listed directive(s) and remakes them as separate, attached instruments in exactly the same form as the latest published edition (see opening paragraph (a) and (b) and the Note). Therefore, on the face of the instrument, obligations and technical requirements set out in the AD remain unchanged; the change is procedural/administrative (revocation and re-making) rather than substantive."},"complexity_factors":["Administrative, single-purpose instrument: revocation and remaking only (low substantive complexity).","Reference to enabling regulation (subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998) requires legal footing but does not add procedural layers within the instrument itself.","Use of Schedule and attached directive(s) creates a two-part structure (main instrument + attachments), which is simple but requires checking attachments to see the operative text.","Absence of transitional provisions or new compliance terms reduces interpretive complexity.","Specific identification of the affected AD (AD/CESSNA 750/1) limits scope and reduces ambiguity."],"plain_english_summary":"This instrument administratively revokes the Airworthiness Directive listed in Schedule 1 (AD/CESSNA 750/1 for Cessna 750/Citation X series) and re‑issues it as a separate, attached instrument in exactly the same form as the latest published edition. Made by a CASA delegate under subregulation 39.001(1), it affects owners/operators subject to that AD but does not change substantive compliance requirements or set out costs or enforcement details."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-cessna-750-citation-x-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-cessna-750-citation-x-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-cessna-750-citation-x-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-cessna-750-citation-x-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-cessna-750-citation-x-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-cessna-750-citation-x-series-aeroplanes/documents"}}