{"id":"F2006L03382","name":"AD/S-PUMA/65 - Main Servo-Control Attachment Bolts","slug":"ad-s-puma-65-main-servo-control-attachment-bolts","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":60817,"registerId":"commonwealth-F2006L03382-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Eurocopter AS 332 (Super Puma) Series He","sectionType":"division","heading":"Eurocopter AS 332 (Super Puma) Series Helicopters","content":"### Eurocopter AS 332 (Super Puma) Series Helicopters\n\n| AD/S-PUMA/65 | Main Servo-Control Attachment Bolts | 12/2006 TX |\n| ------------ | ----------------------------------- | ---------- |\n\n| Applicability: | EUROCOPTER AS 332 C, C1, L, L1 and L2 helicopters.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |\n| Requirement:   | 1. Check the torque and condition of the three bolts that attach the main servo-controls to the non-rotating swash-plate, in accordance with paragraph 2.B. of the EUROCOPTER Alert Service Bulletin (ASB) No. 67.00.36 or later DGAC approved revisions.2. If there is a crack in the bolts or if the differential wear on the diameter of the bolts, between the areas defined in paragraph 2.B. of EUROCOPTER ASB No. 67.00.36 or later DGAC approved revisions, is more than 0.05 mm, scrap the bolts.3. For any main rotor servo-control/non- rotating swash-plate attachment bolt having logged operating hours and held as spares, comply with the instructions given in paragraph 2.B.2. of EUROCOPTER ASB No. 67.00.36 or later DGAC approved revisions.Note: EASA AD 2006-0306-E dated 10 October 2006 refers. |\n| Compliance:    | 1. On attachment bolts having logged 500 operating hours or more, within 15 flying hours.2. Before further flight after the effective date of this AD.3. Before installation on a helicopter.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |\n|                | This Airworthiness Directive becomes effective on 17 October 2006.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |\n\n| Background: | This AD is issued following the failure of an attachment bolt securing the main rotor right hand servo-control to the non-rotating swash-plate. Failure of the servo-control/swash-plate attachment in flight will lead to a catastrophic situation. |\n| ----------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n\n![](image.001.png)  \nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n12 October 2006","sortOrder":0},{"sectionNumber":"AD/S-PUMA/65","sectionType":"part","heading":"AD/S-PUMA/65","content":"## AD/S-PUMA/65","sortOrder":1},{"sectionNumber":"Main Servo-Control Attachment Bolts","sectionType":"part","heading":"Main Servo-Control Attachment Bolts","content":"## Main Servo-Control Attachment Bolts","sortOrder":2},{"sectionNumber":"12/2006 TX","sectionType":"part","heading":"12/2006 TX","content":"## 12/2006 TX","sortOrder":3}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This AD maintains its original narrow scope: addressing a specific mechanical failure mode in a specific helicopter type. The scope has not expanded beyond the original safety-critical bolt inspection requirement."},"complexity_factors":["Single, specific mechanical component (three bolts) with clear pass/fail criteria","Only 4 defined applicability criteria (helicopter models)","Straightforward conditional logic: IF crack OR wear >0.05mm THEN scrap","Three simple compliance deadlines based on operating hours and installation status","No nested exceptions or cross-references to other legislation — only references to manufacturer's service bulletin","Total length: approximately 250 words of substantive content"],"plain_english_summary":"This emergency Airworthiness Directive requires operators of Eurocopter AS332 Super Puma (C/C1/L/L1/L2) helicopters to urgently inspect three bolts that secure the main flight‑control servos to the swashplate after one bolt already failed in service. A bolt failure in flight can cause catastrophic loss of main‑rotor control.\n\nOperators must check torque and condition per Eurocopter guidance, scrap bolts cracked or worn >0.05 mm (including spares), and meet tight deadlines (500+ FH within 15 flight hours; others before next flight after 17 Oct 2006). Non‑compliance grounds the aircraft."},"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"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"Scope is limited to the listed EUROCOPTER AS 332 C, C1, L, L1 and L2 helicopter models and the three main rotor servo-control/non-rotating swash-plate attachment bolts. The AD implements inspection, wear/crack-based scrapping, and installation/spare rules to address a specific bolt-failure risk; it does not expand applicability beyond those models or add other components (Applicability; Requirement; Background)."},"complexity_factors":["Technical measurement precision: differential wear threshold set at >0.05 mm requires accurate measuring equipment and skills (Requirement).","Dependence on external document: mandatory compliance uses EUROCOPTER ASB No. 67.00.36 or later DGAC‑approved revisions, adding regulatory-document-management tasks (Requirement).","Time-sensitive compliance windows: bolts with ≥500 operating hours must be checked within 15 flying hours; others require inspection before next flight or before installation, creating short operational windows (Compliance).","Record-keeping and part-history burden: operators must track logged operating hours for installed and spare bolts to determine action (Requirement, Compliance).","Narrow applicability: applies only to specified AS 332 variants, limiting scope but concentrating obligations on affected operators (Applicability).","Safety-critical enforcement: failure consequence described as 'catastrophic', raising prioritisation and potential for urgent grounding decisions (Background).","Cross-reference to EASA AD and DGAC approvals adds multi-jurisdictional compliance considerations (Requirement note referencing EASA AD)."],"plain_english_summary":"This Airworthiness Directive requires operators of Eurocopter AS 332 C/C1/L/L1/L2 helicopters to inspect the three main servo-control-to-non-rotating-swash-plate attachment bolts for torque, cracks and differential wear, following EUROCOPTER ASB No. 67.00.36 (or later DGAC-approved revisions). Bolts with cracks or more than 0.05 mm differential wear must be scrapped; special rules apply to spares and bolts with 500+ operating hours. It matters because bolt failure can cause catastrophic loss of control; operators pay inspection, measurement and replacement costs and must track bolt hours (Requirement; Compliance; Background)."}},"importantCases":[],"_links":{"self":"/api/acts/ad-s-puma-65-main-servo-control-attachment-bolts","history":"/api/acts/ad-s-puma-65-main-servo-control-attachment-bolts/history","analysis":"/api/acts/ad-s-puma-65-main-servo-control-attachment-bolts/analysis","conflicts":"/api/acts/ad-s-puma-65-main-servo-control-attachment-bolts/conflicts","importantCases":"/api/acts/ad-s-puma-65-main-servo-control-attachment-bolts/important-cases","documents":"/api/acts/ad-s-puma-65-main-servo-control-attachment-bolts/documents"}}