{"id":"F2006B03802","name":"AD/BEECH 33/35 - Elevator Control Fittings","slug":"ad-beech-33-35-elevator-control-fittings","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43398,"registerId":"commonwealth-F2006B03802-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 33/35 - Elevator Control Fittings","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 33 and 35-33 (Debonair/Bonanza) Series Aeroplanes\n\nAD/BEECH 33/35 Elevator Control Fittings 12/89\n\nApplicability: Models 35-33, 35-A33, 35-B33, 35-C33, E33 with S/Nos CD-1 through CD-1234.\n\nModels 35-C33A, E33A with S/Nos CE-1 through CE-289. Models E33C with S/Nos CJ-1 through CJ-25.\n\nRequirement: 1. Determine the composition (aluminium or magnesium) of the elevator control fittings in accordance with Beechcraft Mandatory Service Bulletin 2242 Revision\n\n    If the fittings are determined to be aluminium, no further action is required by this Directive.\n\n    2. If the fittings are determined to be magnesium, visually inspect in accordance with Beechcraft Mandatory Service Bulletin 2242 Revision 1. Cracked fittings are to be replaced with aluminium fittings before further flight.\n\nNote 1: The installation of aluminium fittings is considered terminating action for this Directive.\n\nNote 2: FAA AD 89-05-02 refers.\n\nCompliance: 1. Prior to exceeding 100 hours time in service after 30 November 1989, or at the next scheduled inspection for issue of Maintenance Release after 30 November 1989, whichever occurs later.\n\n2. Prior to exceeding 100 hours time in service after 30 November 1989, or at the next scheduled inspection for issue of Maintenance Release after 30 November 1989, whichever occurs later, and thereafter at intervals not exceeding 100 hours time in service, until aluminium fittings are installed.\n\nBackground: Country of origin AD. The FAA has received reports of cracking and also failure of magnesium elevator control fittings. In-flight failure could result in loss of the aircraft.","sortOrder":0}],"analysis":{"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"},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive addressing a specific mechanical defect in specific aircraft models. It has not expanded beyond its original purpose of mandating inspection and replacement of faulty elevator control fittings."},"complexity_factors":["Single technical requirement with clear conditional branching (aluminium vs magnesium)","Only 2 defined compliance pathways","Minimal cross-referencing (one FAA AD reference, one Beechcraft Service Bulletin)","Straightforward applicability section listing specific models and serial number ranges","Simple temporal compliance framework (hours-based with fixed calendar anchor date)","No nested exceptions or layered conditional logic"],"plain_english_summary":"This CASA Airworthiness Directive requires owners/operators of specified Beechcraft Debonair and Bonanza models to determine whether elevator control fittings are aluminium or magnesium. If magnesium, they must inspect for cracks and replace any cracked fittings with aluminium before flight; aluminium fittings remove the requirement.\n\nIt matters because FAA findings show magnesium fittings can crack and fail in flight, risking loss of control; the rule affects about 1,500+ aircraft listed by serial number."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"This directive implements the country-of-origin corrective action described in the background and references FAA AD 89-05-02. Its scope is limited to the listed Beechcraft models and serial numbers and requires composition determination, inspection of magnesium fittings, replacement of cracked fittings with aluminium, and recurring 100‑hour inspections until aluminium fittings are installed. Installation of aluminium fittings is specified as the terminating action (Requirement; Note 1; Compliance)."},"complexity_factors":["Specific model and serial-number applicability (Applicability) increases administrative filtering","Requirement relies on an external document: Beechcraft Mandatory Service Bulletin 2242 Rev 1 (Requirement)","Recurring inspection interval until a terminating action (every 100 hours TIS) creates ongoing compliance burden (Compliance)","Binary determination (aluminium vs magnesium) plus a mandatory replacement step for cracked magnesium fittings (Requirement)","Reference to related FAA AD for background/consistency but not duplicated content (Background; Note 2)"],"plain_english_summary":"This AD requires owners/operators of specified Beechcraft 33/35-series aeroplanes to determine whether elevator control fittings are aluminium or magnesium and, if magnesium, inspect them and replace any cracked fittings with aluminium before further flight; installing aluminium fittings ends the directive. (Requirement; Note 1.)\n\nOwners/operators pay for inspections and replacements; certified maintenance personnel carry out the checks and record Maintenance Releases. Inspections must occur within 100 hours TIS after 30 Nov 1989 and then every 100 hours until aluminium fittings are fitted. (Compliance.)"}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-33-35-elevator-control-fittings","history":"/api/acts/ad-beech-33-35-elevator-control-fittings/history","analysis":"/api/acts/ad-beech-33-35-elevator-control-fittings/analysis","conflicts":"/api/acts/ad-beech-33-35-elevator-control-fittings/conflicts","importantCases":"/api/acts/ad-beech-33-35-elevator-control-fittings/important-cases","documents":"/api/acts/ad-beech-33-35-elevator-control-fittings/documents"}}