{"id":"F2006B04853","name":"AD/CAP 232/11 - Rudder Lower Support","slug":"ad-cap-232-11-rudder-lower-support","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44660,"registerId":"commonwealth-F2006B04853-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# AIRWORTHINESS DIRECTIVE\n\n![](image.001.png)\n\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 CASR 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\n![](image.001.png)  \n\nCAP Aviation (Akrotech and Mudry) CAP 232 Series Aeroplanes","sortOrder":0},{"sectionNumber":"AD/CAP 232/11 Rudder Lower Support 10/20","sectionType":"part","heading":"AD/CAP 232/11 Rudder Lower Support 10/2004","content":"# AD/CAP 232/11 Rudder Lower Support 10/2004\n\nTX\n\nApplicability: All Model CAP232, CAP231 and CAP231EX aircraft, fitted with a rudder lower support CAP10-30-08-01 or CAP230-30-08-01, as applicable, with or without a letter at end; supplied by APEX Aircraft after 1 January 2001 (supplied as spare part or incorporated in production).\n\nRequirement: 1. Perform inspection ‘A’ of the Accomplishment Instructions of APEX Aircraft Service Bulletin No. 040707, dated 29 July 2004.\n\n2. Perform inspection ‘B’ of the Accomplishment Instructions of APEX Aircraft Service Bulletin No. 040707.\n\nNote: DGAC Emergency AD UF-2004-143 refers.\n\nCompliance: 1. Before further flight after 18 August 2004.\n\n2. Within 25 flight hours after 18 August 2004, and thereafter at intervals not to exceed 25 flight hours.\n\nThis Airworthiness Directive becomes effective on 18 August 2004.\n\nBackground: Reports were received of cracked rudder lower supports.\n\n![](image.002.png)  \n\nDavid Villiers\n\nDelegate of the Civil Aviation Safety Authority 17 August 2004\n\n![](image.001.png)","sortOrder":1}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The AD's scope is the same as its stated intent: it targets CAP232/CAP231/CAP231EX aeroplanes fitted with the specified rudder lower support parts supplied by APEX after 1 January 2001 and mandates inspections per APEX Service Bulletin No. 040707. The instrument sets inspection timing (before further flight; within 25 flight hours and recurring every 25 hours), cites reports of cracked supports as the safety driver (Background), and took effect 18 August 2004 (Compliance/Effective date)."},"complexity_factors":["Targeted applicability narrows the measure to specific models and specific part numbers supplied by a single supplier after a cut-off date, increasing the need to check records (Applicability).","Mandated inspections reference an external service bulletin (APEX Service Bulletin No. 040707), so operators must obtain and interpret that document to comply (Requirement).","Two-step timing: one immediate action before further flight and one recurring inspection within and at 25 flight‑hour intervals, creating an operational scheduling burden (Compliance).","No detailed corrective actions are specified in the AD text itself; remedial steps are expected to be found in the service bulletin, shifting substantive instruction to the SB (Requirement).","Cross-reference to a foreign authority emergency AD (DGAC UF-2004-143) requires operators or maintainers to consider another jurisdiction’s directive when assessing risk (Requirement/Note).","Enforcement originates from a CASA delegate under CASR subregulation 39.1(1), so regulatory discretion and administrative process govern issuance (preamble/signature).","Who pays: aircraft owners/operators bear inspection and repair costs and potential operational downtime (Requirement/Compliance).","Immediate effective date (18 August 2004) creates short lead time for compliance and potential grounding until inspections are completed (Compliance/Effective date)."],"plain_english_summary":"This Airworthiness Directive requires owners/operators of CAP232, CAP231 and CAP231EX aeroplanes fitted with specified rudder lower supports supplied by APEX after 1 January 2001 to carry out two inspections described in APEX Service Bulletin No. 040707. Inspection A must be done before the next flight and Inspection B within 25 flight hours, with Inspection B repeated every 25 flight hours. The measure responds to reports of cracked rudder lower supports and aims to detect or prevent part failure affecting control surfaces."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard airworthiness directive with a narrow, specific scope addressing a identified safety defect in particular aircraft models. The scope remains tightly focused on the rudder lower support issue as originally intended."},"complexity_factors":["Very short document (approximately 250 words)","Only 2 defined action items (Inspections A and B)","Simple applicability criteria based on aircraft model, part number, and supplier date","Clear, unambiguous compliance deadlines","No nested exceptions or conditional logic","Single cross-reference to a service bulletin and a French emergency AD"],"plain_english_summary":"CASA has issued a mandatory safety order for owners/operators of CAP Aviation CAP232, CAP231 and CAP231EX aeroplanes fitted with a rudder lower support supplied by APEX after 1 Jan 2001. Inspections are required because reported cracking could cause loss of control. A one‑time check before next flight after 18 Aug 2004 and recurring checks beginning within 25 flight hours (then every 25 hours) are mandatory under law; the directive follows a DGAC emergency AD."},"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"}},"importantCases":[],"_links":{"self":"/api/acts/ad-cap-232-11-rudder-lower-support","history":"/api/acts/ad-cap-232-11-rudder-lower-support/history","analysis":"/api/acts/ad-cap-232-11-rudder-lower-support/analysis","conflicts":"/api/acts/ad-cap-232-11-rudder-lower-support/conflicts","importantCases":"/api/acts/ad-cap-232-11-rudder-lower-support/important-cases","documents":"/api/acts/ad-cap-232-11-rudder-lower-support/documents"}}