{"id":"F2006B07711","name":"Airworthiness Directives 2004 - Revocation and Remaking - Airparts (NZ) Ltd. FU 24 Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-airparts-nz-ltd-fu-24-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50437,"registerId":"commonwealth-F2006B07711-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 - Airparts (NZ) Ltd. FU 24 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\nAirparts (NZ) Ltd. FU 24 Series Aeroplanes\n\nAD Name AD Number\n\nElevator Control Cables and Pulleys - Inspection AD/FU24/1 Amdt 2\n\nStructural Component - Corrosion - Inspection AD/FU24/2 Amdt 1\n\nCANCELLED AD/FU24/3\n\nElevator Balance Horn Attachment - Modification - CANCELLED AD/FU24/4\n\nElevator Trim Tab Brackets - Modification AD/FU24/5\n\nElevator Lower Pulley Station 337 - 340 - Modification - CANCELLED AD/FU24/6\n\nWing Spar - Inspection - CANCELLED AD/FU24/7 Amdt 2\n\nAileron Rib Assembly - Modification - CANCELLED AD/FU24/8\n\nAuxiliary Fuel Pump Switch - Modification - CANCELLED AD/FU24/9\n\nFuel Sump Corrosion - Inspection AD/FU24/10\n\nFin Rib and Skin Cracking - Inspection AD/FU24/11\n\nRudder Lowr Rib - Inspection AD/FU24/12\n\nFuel Tank Vent System - Modification - CANCELLED AD/FU24/13\n\nHopper and Spray Tank Installation - Modification AD/FU24/14\n\nMain Landing Gear Axle Socket - Inspection AD/FU24/15\n\nRudder Top Hinge Rivnuts - Modification - CANCELLED AD/FU24/16\n\nAileron Mass Balance Arms - Modification AD/FU24/17\n\nFuselage Skin Panels - Inspection - CANCELLED AD/FU24/18\n\nEngine Mounts and Firewalls AD/FU24/19\n\nCANCELLED AD/FU24/20\n\nCANCELLED AD/FU24/21\n\nCANCELLED AD/FU24/22\n\nCANCELLED AD/FU24/23\n\nCANCELLED AD/FU24/24\n\nCANCELLED AD/FU24/25\n\nCANCELLED AD/FU24/26\n\nCANCELLED AD/FU24/27\n\nCANCELLED AD/FU24/28\n\nCANCELLED AD/FU24/29\n\n  \nCANCELLED AD/FU24/30\n\nElevator Hinge and Attachment Fittings AD/FU24/31 Amdt 1\n\nCANCELLED AD/FU24/32\n\nCANCELLED AD/FU24/33\n\nCANCELLED AD/FU24/34\n\nCANCELLED AD/FU24/35\n\nFuselage Structure - Modification AD/FU24/36\n\nElevator Horn Assembly - Inspection AD/FU24/37\n\nMain Landing Gear Lower Torque Link - Modification AD/FU24/38\n\nCleveland Wheel and Brake Assembly - Inspection AD/FU24/39\n\nCockpit Ventilators - Modification AD/FU24/40\n\nPilot Restraint Installation - Modification AD/FU24/41\n\nInstallation of No Step Placard AD/FU24/42\n\nInstallation of Crash Axes AD/FU24/43\n\nPart 1. Wing Spar Modification, and Part 2. Wing Spar Inspection AD/FU24/44\n\nFuel Quantity Indication - Modification AD/FU24/45\n\nBrake Torque Plates - Inspection and Modification AD/FU24/46\n\nCockpit Bulkhead - Modification AD/FU24/47\n\nTailplane Mass Balance Weight and Control Horn - Inspection and Modification AD/FU24/48\n\nCentre Wing, Outboard Rear Fitting - Inspection and Modification AD/FU24/49\n\nControl Column Grip - Inspection AD/FU24/50\n\nFin Forward Attachment Fitting AD/FU24/51 Amdt 2\n\nFuel Line - Modification AD/FU24/52\n\nFlap Control Torque Tube - Inspection AD/FU24/53 Amdt 1\n\nL.H. Rudder Pedal - Inspection AD/FU24/54\n\nOil Pressure Gauge Line - Fitment of Restrictor AD/FU24/55\n\nEngine Controls - Inspection and Modification AD/FU24/56\n\nShoulder Harness Inertia Reel Installation Tension Clip P/N 08-16037-3 - AD/FU24/57\n\nWing Structural Fatigue Limitation AD/FU24/58 Amdt 1\n\nRudder Torque Tube to Rudder Attachment - Inspection AD/FU24/59\n\nEngine Control Cables - Life Limitations - CANCELLED AD/FU24/60 Amdt 2\n\nMain Landing Gear Torque Link Brackets - Inspection/Replacement AD/FU24/61\n\nForward Fin Structure AD/FU24/62\n\nMain Spar Web AD/FU24/63","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"No substantive change to regulatory scope: the ADs are revoked and reissued in the same form (per the instrument's note). Cancelled AD entries remain cancelled; the measure is an administrative reformatting and republication rather than a change in technical requirements or affected aircraft."},"complexity_factors":["Administrative revocation and re-issuance only — instrument states each AD is re-made in exactly the same form as the latest published edition (source note).","Large number of listed ADs, including multiple amendments (e.g. Amdt 1, Amdt 2) and many entries marked CANCELLED in Schedule 1, increases navigation and recordkeeping work for operators.","Legal authority exercised under subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998 (single-delegate decision point).","Operational compliance burden falls on aircraft owners/operators and maintenance organisations who must continue to perform inspections, modifications or replacements required by the reissued ADs.","Substantive technical requirements are contained in the attached, separately re-made AD instruments — users must consult each reissued AD for precise action, intervals, and parts affected.","Potential for temporary administrative confusion where an AD is listed as CANCELLED versus reissued, requiring careful cross-checking against the attached instruments and current AD registry."],"plain_english_summary":"This instrument revokes a list of existing Airworthiness Directives (ADs) for Airparts (NZ) FU 24 series aeroplanes and re-issues each AD as a separate instrument in the same form. It directly affects aircraft owners, operators and maintenance organisations who must follow the reissued ADs; CASA’s delegate implements the change under the cited regulation."},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"The legislation maintains its original scope — it was always intended as an administrative instrument to revoke and remake Airworthiness Directives for the FU 24 aircraft series. There is no evidence of scope creep; the instrument does not expand beyond the specific aircraft type or introduce new substantive safety requirements."},"complexity_factors":["Single operative provision with straightforward revocation and remaking mechanism","No defined terms section — relies on external understanding of 'Airworthiness Directive' and 'CASA'","Simple tabular schedule listing 63 items with minimal descriptive text","No conditional logic or nested exceptions — just a direct mapping of old AD numbers to new standalone instruments","Extensive use of acronyms (AD, CASA, L.H., P/N) without on-page definitions","Cross-reference to external Civil Aviation Safety Regulations 1998 (subregulation 39.001(1)) but no complex statutory interpretation required","Note clarifies that content is unchanged, reducing interpretive burden"],"plain_english_summary":"CASA revokes and reissues 63 airworthiness directives for Airparts (NZ) FU 24 series aircraft as separate legal instruments. This is administrative reformatting: the directives are reproduced unchanged, so no new safety obligations or technical requirements are introduced.\n\nThe change affects FU 24 owners/operators and maintenance engineers by making each AD a standalone instrument (about 20 were already marked cancelled), improving how the rules are located, updated and enforced."},"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"}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-airparts-nz-ltd-fu-24-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-airparts-nz-ltd-fu-24-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-airparts-nz-ltd-fu-24-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-airparts-nz-ltd-fu-24-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-airparts-nz-ltd-fu-24-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-airparts-nz-ltd-fu-24-series-aeroplanes/documents"}}