{"id":"F2006B07864","name":"Airworthiness Directives 2004 - Revocation and Remaking - Fairchild (Swearingen) SA226 and SA227 Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-fairchild-swearingen-sa226-and-sa227-series-ae","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50839,"registerId":"commonwealth-F2006B07864-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Airworthiness Directives 2004 - Revocation and Remaking - Fairchild (Swearingen) SA226 and SA227 Series Aeroplanes","content":"Airworthiness Directives 2004\n\nI, DAVID ALAN VILLIERS, delegate of the Civil Aviation Safety\n\nAuthority, acting under subregulation 39.001 (1) of the Civil\n\nAviation Safety Regulations 1998:\n\n(a) revoke the Airworthiness Directives mentioned in\n\nSchedule 1; and\n\n(b) make, as separate instruments, each Airworthiness\n\nDirective mentioned in Schedule 1 and attached.\n\n![](image.001.png)\n\nDavid Villiers\n\nDelegate of the Civil Aviation Safety Authority\n\n20 December 2004\n\nNote: Each attached Airworthiness Directive is being re-made in exactly the\n\nsame form as appears in the latest published edition of the Directive.\n\n  \nSchedule 1 Revocation and Remaking of\n\nAirworthiness Directives\n\nFairchild (Swearingen) SA226 and SA227 Series Aeroplanes\n\nAD Name AD Number\n\nFrame Splices - Inspection AD/SWSA226/1\n\nStabiliser Skin Attachment Screws - Inspection - CANCELLED AD/SWSA226/2\n\nSuperseded by DCA/SWSA226/17 - CANCELLED AD/SWSA226/3\n\nCANCELLED - Incorporated into AD/SWSA226/21 Amdt1 - CANCELLED AD/SWSA226/4 Amdt 1\n\nWing Centre Section Improved Venting - Modification AD/SWSA226/5\n\nTrim Tab Actuator Rods - Inspection AD/SWSA226/6\n\nFuel Line and Heat Shroud - Inspection AD/SWSA226/7\n\nFront (Pilot) Seat Restraint Installation - Modification AD/SWSA226/8\n\nMain Landing Gear Uplock Roller - Inspection and Modification AD/SWSA226/9\n\nEngine Windmilling Limits Placard - Installation AD/SWSA226/10\n\nRudder - Inspection AD/SWSA226/11\n\nRudder Bellcranks - Inspection AD/SWSA226/12\n\nAileron Tab - Inspection and Modification AD/SWSA226/13\n\nAileron Control System - Modification AD/SWSA226/14\n\nMain Landing Gear Door Hinge Angles - Inspection and Replacement AD/SWSA226/15\n\nAileron Balance Weight Attachment Bolts - Inspection AD/SWSA226/16\n\nWing - Modification and Fail Safe Structural Inspection - CANCELLED AD/SWSA226/17 Amdt 4\n\nStabiliser Trim Disconnect Controls - Modification AD/SWSA226/18\n\nHorizontal Stabiliser Bar - Inspection - CANCELLED AD/SWSA226/19\n\nHorizontal Stabiliser Rear Spar - Inspection and Modification - CANCELLED AD/SWSA226/20\n\nFuselage - Fail Safe Structural Inspection - CANCELLED AD/SWSA226/21 Amdt 1\n\nElevator Quadrant - Inspection AD/SWSA226/22 Amdt 1\n\nFuel and Hyraulic Lines Inspection AD/SWSA226/23\n\nNose Wheel Steering - Deactivation AD/SWSA226/24\n\nFuel Line - Inspection - CANCELLED AD/SWSA226/25\n\nLanding Gear Actuator Rod End AD/SWSA226/26 Amdt 1\n\nWing Main Spar - Inspection for Manufacturing Defects AD/SWSA226/27\n\nCrew and Cargo Door Latch Assemblies/Receptacles - Life Limitation - AD/SWSA226/28 Amdt 5\n\nNose Baggage Compartment Door - Modification AD/SWSA226/29\n\n  \nCargo And Passenger Doors, Latching Mechanisms - Inspection - CANCELLED AD/SWSA226/30 Amdt 2\n\nAileron Control Cable Installation - Inspection AD/SWSA226/31\n\nRudder Pedal Links AD/SWSA226/32 Amdt 1\n\nElevator Mass Balance Weights - Inspection AD/SWSA226/33\n\nFuselage Skin and Aft Belly Fairing - Inspection AD/SWSA226/34\n\nAileron Static Rebalance - Incorporation AD/SWSA226/35\n\nElevator Return Spring And Attachment AD/SWSA226/36 Amdt 2\n\nFuselage, Lower L.H. Cargo Area Belt Frames - Inspection and Modification AD/SWSA226/37\n\nElevator Return Spring Location - Modification AD/SWSA226/38 Amdt 1\n\nMain Landing Gear Door Actuating Mechanism - Modification AD/SWSA226/39\n\nProhibition of Flight into Known Icing Conditions - Placard AD/SWSA226/40\n\nFlight Control, Control Column - Modification AD/SWSA226/41\n\nProhibition of Flight into Known Icing Conditions - Placard AD/SWSA226/42 Amdt 1\n\nSupplemental Inspection Program and Life Limited Items AD/SWSA226/43 Amdt 6\n\nMain Landing Gear Door System - Inspection AD/SWSA226/44\n\nBattery Power Cable - Inspection/Modification AD/SWSA226/45\n\nNose Wheel Steering System - Modification AD/SWSA226/46\n\nHydraulic, Electrical and Oxygen System AD/SWSA226/47 Amdt 3\n\nSwivel Reading Lights - Inspection/Modification AD/SWSA226/48\n\nFuel Vent Line and Electrical Wire Bundle Support Clamps - Installation AD/SWSA226/49 Amdt 1\n\nAileron Control Cables AD/SWSA226/50 Amdt 1\n\nFuel Booster Pump Wiring Harness AD/SWSA226/51 Amdt 1\n\nElevator Gust Lock AD/SWSA226/52\n\nControl Cables AD/SWSA226/53 Amdt 1\n\nPlacard - Use of Reverse Thrust AD/SWSA226/54\n\nLanding Gear Control Assembly AD/SWSA226/55\n\nCockpit and Cabin Windows AD/SWSA226/56 Amdt 3\n\nBattery Bus Relay AD/SWSA226/57 Amdt 1\n\nMain Landing Gear Doors AD/SWSA226/58 Amdt 1\n\nSecond Passenger Window Port and Starboard AD/SWSA226/59 Amdt 1\n\nStall Avoidance System Maintenance AD/SWSA226/60\n\nRudder Trim Tab Rod Assembly AD/SWSA226/61\n\nPropeller Blade Separation AD/SWSA226/62\n\nT10282 Blades (Hard Alloy) AD/SWSA226/63\n\nEngine Power Lever AD/SWSA226/64\n\nBrakes AD/SWSA226/65 Amdt 1\n\n  \nNose Wheel Steering System AD/SWSA226/66\n\nHorizontal Stabiliser Rear Spar AD/SWSA226/67\n\nPitch Trim Actuator AD/SWSA226/68 Amdt 5\n\nWing - Upper Skin at WS 81 AD/SWSA226/69\n\nHorizontal Stabiliser - Aft Spar Attach Fitting AD/SWSA226/70\n\nWing Lower Skin at WS 187 AD/SWSA226/71\n\nMain Landing Gear Door Jamming AD/SWSA226/72\n\nCurrent Limiter Protection AD/SWSA226/73 Amdt 1\n\nLanding Gear Stress Corrosion AD/SWSA226/74 Amdt 3\n\nCockpit Floor FOD Barriers AD/SWSA226/75\n\nMain Landing Gear Door Actuator AD/SWSA226/76\n\nEngine Power Control Cable AD/SWSA226/77\n\nLanding Gear Struts AD/SWSA226/78\n\nControl Column Pitch Pivots - CANCELLED AD/SWSA226/79\n\nElevator Torque Tube Corrosion AD/SWSA226/80 Amdt 1\n\nGenerator System Rework AD/SWSA226/81\n\nElevator Control Rod End Bearing AD/SWSA226/82\n\nWing Trailing Edge Ribs AD/SWSA226/83\n\nCargo Door Lower Belt Frames AD/SWSA226/84\n\nFlight Envelope Restriction AD/SWSA226/85 Amdt 1\n\nWing Spar Centre Web Cutout AD/SWSA226/86\n\nOperation of Deicing Boots AD/SWSA226/87\n\nFuel Boost Pump Wiring AD/SWSA226/88 Amdt 1\n\nMain Landing Gear Drag Brace Assembly AD/SWSA226/89\n\nAuto Ignition Systems AD/SWSA226/90 Amdt 3\n\nImproved Wheel Well Fire Protection AD/SWSA226/91 Amdt 1\n\nBrake Master Cylinders AD/SWSA226/92\n\nRudder Gust Lock AD/SWSA226/93\n\nBoost Pump Wiring AD/SWSA226/94 Amdt 1","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"Scope is unchanged: the delegate revoked listed ADs and remade each in identical form to the latest published editions, preserving the original substantive requirements. Cancelled ADs are recorded as cancelled in the schedule, so the instrument maintains existing applicability rather than broadening or narrowing regulatory coverage."},"complexity_factors":["Administrative reissue only: each AD is re‑made in the same form as the latest published edition (note in instrument) — no substantive regulatory change reduces legal complexity.","Large number of ADs listed (many specific items, some marked CANCELLED) increases clerical and cross‑reference work for operators and regulators.","Delegated decision: instrument is made under subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998 (instrument header) — narrow statutory basis simplifies legal authority analysis.","Reliance on external published editions: legal effect depends on matching the latest published AD texts accurately, creating an external‑consistency risk.","Compliance burden remains with aircraft owners/operators and maintenance organisations (mechanical effect of ADs) — operational complexity for affected parties rather than for the instrument itself."],"plain_english_summary":"This instrument revokes a long list of Airworthiness Directives (ADs) for Fairchild (Swearingen) SA226 and SA227 aeroplanes and re‑makes each listed AD as a separate, identical instrument in the form of its latest published edition. It affects aircraft owners, operators and maintenance organisations who must continue to meet the AD requirements; the CASA delegate exercises the decision to revoke and re‑issue, and compliance costs remain with operators and maintenance providers."},"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":4,"scope_assessment":{"changed":false,"description":"This is a pure consolidation/remaking instrument with no change to scope. The note explicitly states each directive is being re-made 'in exactly the same form as appears in the latest published edition.' The scope remains limited to the SA226 and SA227 aircraft series, and the technical requirements are unchanged."},"complexity_factors":["The instrument itself is short (under 2 pages) with simple operative provisions — just revocation and remaking","However, it references 94 separate Airworthiness Directives, each with their own technical complexity","Many directives have amendments (e.g., 'Amdt 5', 'Amdt 6') indicating iterative regulatory evolution","Several directives are marked 'CANCELLED' or 'Superseded', showing complex regulatory history and dependencies","The actual technical content (the attached ADs) is not reproduced in this instrument, creating a 'shell' structure that requires cross-referencing to external documents","Uses standard aviation regulatory terminology (AD numbers, amendment tracking, life limitations) that assumes sector-specific knowledge"],"plain_english_summary":"This instrument revokes and reissues 94 existing Airworthiness Directives for Fairchild (Swearingen) SA226/SA227 (Metroliner/Merlin) twin‑turboprops, republishing them unchanged to restore their legal validity. It’s a regulatory housekeeping step that keeps mandatory inspection, repair and modification requirements in force for owners, operators and maintenance organisations in Australia, preserving continued airworthiness of this aging fleet and maintaining safety oversight by CASA."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-fairchild-swearingen-sa226-and-sa227-series-ae","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-fairchild-swearingen-sa226-and-sa227-series-ae/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-fairchild-swearingen-sa226-and-sa227-series-ae/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-fairchild-swearingen-sa226-and-sa227-series-ae/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-fairchild-swearingen-sa226-and-sa227-series-ae/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-fairchild-swearingen-sa226-and-sa227-series-ae/documents"}}