{"id":"F2006B04060","name":"AD/BEECH 56/29 - Elevator Control Fittings","slug":"ad-beech-56-29-elevator-control-fittings","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43689,"registerId":"commonwealth-F2006B04060-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 56/29 - 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 56TC (Turbo Baron) Series Aeroplanes\n\nAD/BEECH 56/29 Elevator Control Fittings 12/89\n\nApplicability: Models 56TC with S/Nos TG-2 through TG-83.\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":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"Scope matches the instrument's stated purpose: it applies only to Beechcraft 56TC serial numbers TG‑2–TG‑83 and mandates identification, inspection and replacement of magnesium elevator control fittings with aluminium. Compliance timing, recurring inspections, and a clear terminating action (aluminium fittings installed) are specified; no broader scope expansion is indicated in the text provided."},"complexity_factors":["Narrow applicability limited to specific serial numbers (TG‑2 through TG‑83)","Requires material identification (aluminium vs magnesium) before further action","Relies on an external technical document: Beechcraft Mandatory Service Bulletin 2242 Rev 1","Recurring inspection interval (every 100 hours) until terminating action is taken","Compliance timing tied to either 100 hours’ TIS or the next scheduled Maintenance Release","Termination mechanism is retrofit (installation of aluminium fittings)","Safety‑critical consequence (in‑flight failure) increases compliance priority","Cross‑reference to FAA AD 89‑05‑02 creates interjurisdictional linkage"],"plain_english_summary":"Requires owners/operators of Beechcraft 56TC (S/N TG‑2–TG‑83) to identify whether elevator control fittings are aluminium or magnesium; if magnesium, inspect per Beechcraft Mandatory Service Bulletin 2242 Rev 1 and replace any cracked fittings with aluminium (installation of aluminium fittings terminates the directive).\n\nCompliance is due within 100 hours’ time‑in‑service or at the next scheduled Maintenance Release after 30 Nov 1989, and every 100 hours thereafter until aluminium fittings are fitted. Owners/operators pay inspection and replacement costs; maintenance personnel must follow the Bulletin. The FAA reported magnesium fitting cracking and possible in‑flight failure."},"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a targeted safety directive for a specific aircraft model with a known defect. The scope remains precisely limited to addressing the magnesium elevator control fitting issue as originally intended."},"complexity_factors":["Very short document (under 300 words)","Only 2 defined applicability criteria (model and serial number range)","Simple conditional logic: IF aluminium → no action; IF magnesium → inspect and replace if cracked","Single cross-reference to FAA AD 89-05-02 (informational only)","Clear, sequential compliance requirements with specific timeframes","No nested exceptions or complex definitional sections"],"plain_english_summary":"Owners/operators of Beechcraft 56TC Turbo Baron aircraft (SN TG-2 to TG-83) must inspect their elevator control fittings to determine if they are aluminium or magnesium. If magnesium, fittings require regular 100‑hour visual inspections and any cracked fittings must be replaced with aluminium before flight.\n\nThis mandatory Airworthiness Directive prevents in‑flight loss of control from magnesium fitting failure; the initial check is due within 100 flight hours after 30 Nov 1989 or at the next maintenance check."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-56-29-elevator-control-fittings","history":"/api/acts/ad-beech-56-29-elevator-control-fittings/history","analysis":"/api/acts/ad-beech-56-29-elevator-control-fittings/analysis","conflicts":"/api/acts/ad-beech-56-29-elevator-control-fittings/conflicts","importantCases":"/api/acts/ad-beech-56-29-elevator-control-fittings/important-cases","documents":"/api/acts/ad-beech-56-29-elevator-control-fittings/documents"}}