{"id":"F2006B03714","name":"AD/BEECH 200/61 - Main Landing Gear Clevis Assembly","slug":"ad-beech-200-61-main-landing-gear-clevis-assembly","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43304,"registerId":"commonwealth-F2006B03714-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 200/61 - Main Landing Gear Clevis Assembly","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 200 (Super King Air) Series Aeroplanes\n\nAD/BEECH 200/61 Main Landing Gear Clevis Assembly 1/99\n\nApplicability: Models and serial numbers listed in Raytheon Aircraft Mandatory Service Bulletin (MSB) 2728.\n\nRequirement: Replace the left and right main landing gear actuator clevis assembly with a clevis assembly of improved design in accordance with the Accomplishment Instructions section in Raytheon Aircraft MSB 2728 or MSB 2728 Revision 1.\n\nNote: FAA AD 98-21-35 Amdt 39-10843 refers.\n\nCompliance: Unless already accomplished, within 200 hours time in service after 28 January 1999.\n\nThis Airworthiness Directive becomes effective on 28 January 1999.\n\nBackground: The FAA received reports of main landing gear failure on two of the affected aircraft. The actions specified by this Directive are intended to prevent failure of the actuator clevis assembly in the main landing gear caused by fatigue cracking of the original design part, which could lead to loss of control of the aircraft during landing operations.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive addressing a specific mechanical defect in a specific aircraft model. It has not expanded beyond its original purpose of preventing landing gear failures due to clevis assembly fatigue."},"complexity_factors":["Single, specific mechanical requirement (replace one part)","Only one defined term of note ('time in service' — flight hours)","No nested exceptions or conditional logic","Short document (under 300 words)","Single cross-reference to FAA directive for background only","Clear compliance deadline (200 hours after effective date)"],"plain_english_summary":"This CASA Airworthiness Directive requires owners/operators of specified Beechcraft 200 (Super King Air) aircraft to replace the main landing gear actuator clevis assembly with an improved design. A design flaw has caused fatigue cracking and two landing gear failures. Compliance (per the manufacturer bulletin) is mandatory within 200 flight hours after 28 January 1999 to prevent in‑flight/landing loss of control and reduce crash risk."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"No change in scope is evident from the text: the AD applies to models/serial numbers listed in Raytheon MSB 2728 and requires replacement of both main landing gear actuator clevis assemblies within 200 hours to prevent fatigue-related failure (Applicability; Requirement; Compliance; Background)."},"complexity_factors":["Technical subject matter: replacement of a structural landing-gear clevis to address fatigue cracking (Background).","External references: applicability and installation are defined by Raytheon Mandatory Service Bulletin (MSB 2728 or Revision 1) (Applicability; Requirement).","Regulatory linkage: the AD cites and aligns with an FAA airworthiness directive (Note).","Operational constraint: a firm compliance window of 200 hours time in service after 28 January 1999 (Compliance).","Scope determination: affected aircraft are identified by MSB-listed models and serial numbers, requiring operators to check the MSB for applicability (Applicability).","Mandatory replacement of both left and right assemblies increases parts and maintenance coordination (Requirement)."],"plain_english_summary":"- This Airworthiness Directive requires owners/operators of certain Beechcraft 200 (Super King Air) aeroplanes (models/serial numbers listed in Raytheon MSB 2728) to replace both left and right main landing gear actuator clevis assemblies with an improved-design clevis, following Raytheon MSB 2728 or Revision 1. Compliance is mandatory within 200 hours time in service after 28 January 1999.  \n- CASA issued the directive after the FAA reported two main landing gear failures; operators bear the cost and must follow the manufacturer's Accomplishment Instructions to address fatigue-cracking risk."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-200-61-main-landing-gear-clevis-assembly","history":"/api/acts/ad-beech-200-61-main-landing-gear-clevis-assembly/history","analysis":"/api/acts/ad-beech-200-61-main-landing-gear-clevis-assembly/analysis","conflicts":"/api/acts/ad-beech-200-61-main-landing-gear-clevis-assembly/conflicts","importantCases":"/api/acts/ad-beech-200-61-main-landing-gear-clevis-assembly/important-cases","documents":"/api/acts/ad-beech-200-61-main-landing-gear-clevis-assembly/documents"}}