{"id":"F2006B03760","name":"AD/BEECH 23/46 Amdt 1 - Flight Controls","slug":"ad-beech-23-46-amdt-1-flight-controls","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43355,"registerId":"commonwealth-F2006B03760-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 23/46 Amdt 1 - Flight Controls","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nBeechcraft 19, 23 and 24 Series Aeroplanes\n\nAD/BEECH 23/46\n\nAmdt 1\n\n  \nFlight Controls 3/90\n\nApplicability: Beechcraft A23-19, 19A, M19A and B19 with S/Nos MB-1 through MB-520. B19 Sport 150 with S/Nos MB-521 through MB-813, MB-815 and MB-816. 23, A23, A23A, B23 and C23 with S/Nos M-1 through M-1361.\n\nC23 Sundowner 180 with S/Nos M-1362 through M-1874, and M-1876 through M- 1879.\n\nA23-24 and A24 with S/Nos MA-1 through MA-368. A24R with S/Nos MC-2 through MC-95.\n\nA24R and B24R Sierra 200 with S/Nos MC-96 through MC-310, MC-312 through MC-448, MC-450 and MC-451.\n\nRequirement: Action in accordance with Beechcraft Mandatory SB 2198 Rev 1, or equivalent approved modification.\n\nCompliance: Within 100 hours time in service after 10 August 1989, or at next scheduled inspection for Maintenance Release after 10 August 1989 whichever occurs later.\n\nBackground: The manufacturer considers this Requirement mandatory enabling examination and lubrication of rod ends during routine inspections, reducing the possibility of failure and loss of aileron control.\n\nAmendment 1 references Revision 1 to the Requirement document which clarifies the modification for aircraft with existing 1 3/8\" inspection hole.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This Airworthiness Directive remains tightly focused on its original purpose: preventing flight control failures in specific Beechcraft models through mandatory rod end maintenance. Amendment 1 does not expand the scope — it merely updates the reference document to a revised version with clarified instructions for aircraft with existing inspection holes."},"complexity_factors":["Single, specific maintenance action required (examination and lubrication of rod ends)","Clear applicability section with explicit serial number ranges (though these are numerous)","Straightforward compliance deadline with two alternative triggers (100 hours TIS or next inspection)","No nested exceptions or conditional logic — one requirement with one alternative compliance path","Short document (approximately 250 words) with minimal cross-referencing (only to Beechcraft SB 2198 Rev 1)","Amendment 1 adds only a minor clarification about inspection hole sizing"],"plain_english_summary":"This CASA Airworthiness Directive requires owners/operators of certain Beechcraft Model 19/23/24 series (about 1,800+ serial-numbered aircraft) to inspect and lubricate aileron rod ends per Beechcraft Mandatory Service Bulletin 2198 Revision 1 (or approved equivalent). Compliance is within 100 flying hours after 10 Aug 1989 or at the next Maintenance Release, whichever is later. The measure prevents rod-end seizure and loss of aileron control. Amendment 1 clarifies procedures for aircraft with a 1 3/8\" inspection hole."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"Amendment 1 does not expand which aircraft are covered nor add new types of obligations; it cross‑references Revision 1 of the required Service Bulletin to clarify how to handle aircraft that already have a 1 3/8\" inspection hole, i.e. a procedural clarification rather than a scope change (Amendment 1)."},"complexity_factors":["Technical aviation content: requires specific inspection/modification of flight‑control rod ends (rod‑end exam and lubrication).","Detailed applicability by model and serial number list increases administrative identification work for operators.","External reference: mandates compliance with Beechcraft Mandatory SB 2198 Rev 1 or an approved equivalent, requiring operators to obtain and follow another document.","Conditional compliance timing: within 100 hours TIS or at next scheduled Maintenance Release, whichever is later.","Amendment narrows procedural ambiguity (existing 1 3/8″ inspection hole), possibly requiring judgment/approval for alternative methods."],"plain_english_summary":"This airworthiness directive requires owners/operators of specified Beechcraft 19, 23 and 24 series aeroplanes to inspect, lubricate and, if necessary, modify aileron control rod ends in accordance with Beechcraft Mandatory Service Bulletin 2198 Rev 1 (or an approved equivalent). (Requirement)\n\nCompliance is due within 100 flight‑hours after 10 August 1989 or at the next scheduled Maintenance Release; owners/operators pay for and arrange the work, and Amendment 1 merely clarifies the procedure for aircraft with an existing 1 3/8″ inspection hole. (Compliance; Amendment 1)"}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-23-46-amdt-1-flight-controls","history":"/api/acts/ad-beech-23-46-amdt-1-flight-controls/history","analysis":"/api/acts/ad-beech-23-46-amdt-1-flight-controls/analysis","conflicts":"/api/acts/ad-beech-23-46-amdt-1-flight-controls/conflicts","importantCases":"/api/acts/ad-beech-23-46-amdt-1-flight-controls/important-cases","documents":"/api/acts/ad-beech-23-46-amdt-1-flight-controls/documents"}}