{"id":"F2008L00394","name":"AD/FU24/65 - Aileron Pushrods","slug":"ad-fu24-65-aileron-pushrods","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":119041,"registerId":"commonwealth-F2008L00394-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Airparts (NZ) Ltd. FU 24 Series Aeroplan","sectionType":"division","heading":"Airparts (NZ) Ltd. FU 24 Series Aeroplanes","content":"### Airparts (NZ) Ltd. FU 24 Series Aeroplanes\n\n| AD/FU24/65 | Aileron Pushrods | 3/2008 |\n| ---------- | ---------------- | ------ |\n\n| Applicability: | Pacific Aerospace Limited Model FU24 aircraft fitted with aileron push-pull rods P/N 08-24015-1 in accordance with modification PAC/FU/0340.                                                                                                                                                                                                |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | 1. Inspect the pushrod ends per Pacific Aerospace Limited Service Bulletin (SB) No. PACSB/FU/091 issue 2.2. If there is any detectable play between the pushrod and the insert or evidence of working rivets, replace the rivets in accordance with SB No. PACSB/FU/091 issue 2.Note: CAA NZ DCA AD/FU24/177 dated 28 November 2007 refers. |\n| Compliance:    | 1. Inspect within the next 50 hours time in service (TIS) and thereafter at intervals not to exceed 150 hours TIS.2. Before further flight after the effective date of this AD.                                                                                                                                                             |\n|                | This Airworthiness Directive becomes effective on 13 March 2008.                                                                                                                                                                                                                                                                            |\n| Background:    | This AD is prompted by reports of loosening rivets securing the threaded inserts in the ends of the aileron control pushrods P/N 08-24015-1. Aileron push-pull rods P/N 08-24015-1 have been installed on aircraft embodying modification PAC/FU/034.                                                                                       |\n\n![](image.001.png)  \nCharles Lenarcic  \nDelegate of the Civil Aviation Safety Authority\n\n21 January 2008","sortOrder":0},{"sectionNumber":"AD/FU24/65","sectionType":"part","heading":"AD/FU24/65","content":"## AD/FU24/65","sortOrder":1},{"sectionNumber":"Aileron Pushrods","sectionType":"part","heading":"Aileron Pushrods","content":"## Aileron Pushrods","sortOrder":2},{"sectionNumber":"3/2008","sectionType":"part","heading":"3/2008","content":"## 3/2008","sortOrder":3}],"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"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive targets Pacific Aerospace FU24 aircraft fitted with the specified pushrod part number under modification PAC/FU/034 and mandates inspections/repairs per the manufacturer SB. It addresses the reported problem (loosening rivets) and does not expand applicability beyond those fitted parts or change the original corrective intent."},"complexity_factors":["Narrow technical applicability (specific aircraft model + P/N + modification) reduces scope complexity","Requires following a manufacturer Service Bulletin (PACSB/FU/091) — operational dependency on that document","Recurring inspection schedule (initial within 50 hours TIS, then at intervals not to exceed 150 hours TIS) creates administrative tracking burden","Potential immediate‑action language (’before further flight’) introduces operational urgency and possible grounding","Inspection relies on detecting ‘play’ or ‘working rivets’ — a partly subjective, condition‑based finding","Costs fall on aircraft owners/operators for inspections and rivet replacement, with regulator enforcement authority"],"plain_english_summary":"This Airworthiness Directive requires operators of Pacific Aerospace FU24 aircraft fitted with aileron push‑pull rods P/N 08‑24015‑1 (mod PAC/FU/034) to inspect the pushrod ends and replace rivets if there is detectable play or evidence of working rivets. It responds to reports of loosening rivets that secure threaded inserts.\n\nAircraft owners/operators must schedule the mandated inspections and repairs within the stated time limits; the Civil Aviation Safety Authority (via its delegate) enforces compliance and may ground aircraft until defects are fixed."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard, narrow Airworthiness Directive addressing a specific mechanical defect in a specific aircraft type. It has not expanded beyond its original safety purpose."},"complexity_factors":["Single, specific technical requirement with clear reference to manufacturer service bulletin","Only one defined part number and one modification number to identify applicability","Straightforward two-part compliance schedule (initial inspection + recurring interval)","No nested exceptions, conditional logic, or cross-references to other legislation","Short document (approximately 200 words of substantive content)","Single trigger condition for replacement (detectable play or working rivets)"],"plain_english_summary":"Owners/operators of Pacific Aerospace FU24 aircraft with mod PAC/FU/0340 (aileron push‑pull rods P/N 08‑24015‑1) must inspect pushrod end rivets and replace any loose or \"working\" rivets per Service Bulletin PACSB/FU/091. This CASA AD is prompted by reports of rivets loosening on aileron pushrod threaded inserts, risking loss of aileron control. Initial inspection is required within 50 flight hours, then every 150 hours, and affected aircraft must be inspected before flight after 13 March 2008."}},"importantCases":[],"_links":{"self":"/api/acts/ad-fu24-65-aileron-pushrods","history":"/api/acts/ad-fu24-65-aileron-pushrods/history","analysis":"/api/acts/ad-fu24-65-aileron-pushrods/analysis","conflicts":"/api/acts/ad-fu24-65-aileron-pushrods/conflicts","importantCases":"/api/acts/ad-fu24-65-aileron-pushrods/important-cases","documents":"/api/acts/ad-fu24-65-aileron-pushrods/documents"}}