{"id":"F2005L00615","name":"AD/S-62/6 Amdt 1 - Main Gearbox Primary Servo Mechanism Supports","slug":"ad-s-62-6-amdt-1-main-gearbox-primary-servo-mechanism-supports","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":112881,"registerId":"commonwealth-F2005L00615-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Sikorsky S-62 Series Helicopters","sectionType":"division","heading":"Sikorsky S-62 Series Helicopters","content":"### Sikorsky S-62 Series Helicopters\n\n| AD/S-62/6 Amdt 1 | Main Gearbox Primary ServoMechanism Supports | 4/2005 |\n| ---------------- | -------------------------------------------- | ------ |\n\n| Applicability: | Model S-62A helicopters equipped with part number S14-40-2415 primary servo mechanism support fittings.                                                                                                                                                                                                                                                                                                                                    |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |\n| Requirement:   | 1. Inspect in accordance with Part I subparagraph A and B of Accomplishment Instructions of Sikorsky Aircraft Service Bulletin (SB) 62B40-8, dated 1 October 1971.2. Inspect in accordance with Part I subparagraph B of Accomplishment Instructions of SB 62B40-8.3. Conduct a fluorescent magnetic particle inspection in accordance with Part II of Accomplishment Instructions of SB 62B40-8.Note: FAA AD 71-26-3 Amdt 39-1363 refers. |\n| Compliance:    | 1. Unless the initial inspection is already accomplished; within 120 flight hours after 14 April 2005.2. Inspect thereafter at intervals not to exceed 120 flight hours.3. At gearbox overhaul or 1,250 total flight hours, whichever occurs first.                                                                                                                                                                                        |\n|                | This Amendment becomes effective on 14 April 2005.                                                                                                                                                                                                                                                                                                                                                                                         |\n| Background:    | The related FAA AD was prompted by a report of a fracture radiating from a bolt hole in one of the four support fitting attachment lugs. A support fitting retaining bolt was also fractured.                                                                                                                                                                                                                                              |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n2 March 2005","sortOrder":0},{"sectionNumber":"AD/S-62/6 Amdt 1","sectionType":"part","heading":"AD/S-62/6 Amdt 1","content":"## AD/S-62/6 Amdt 1","sortOrder":1},{"sectionNumber":"Main Gearbox Primary ServoMechanism Supp","sectionType":"part","heading":"Main Gearbox Primary ServoMechanism Supports","content":"## Main Gearbox Primary Servo  \nMechanism Supports","sortOrder":2},{"sectionNumber":"4/2005","sectionType":"part","heading":"4/2005","content":"## 4/2005","sortOrder":3}],"analysis":{"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"The source text does not indicate any change from an earlier scope. The directive applies to Model S-62A helicopters with the specified support fitting and sets inspection and compliance intervals in response to a reported fracture (Applicability; Requirement; Background)."},"complexity_factors":["Technical inspection requirements include both visual and fluorescent magnetic particle inspections (Requirement; Accomplishment Instructions).","Inspections reference parts and subparagraphs of Sikorsky Service Bulletin 62B40-8, requiring implementers to interpret and follow an external document (Requirement).","Time-based compliance: initial and recurring intervals tied to flight hours and gearbox overhaul/1,250 total flight hours, creating operational scheduling constraints (Compliance).","Narrow applicability limited to Model S-62A with a specific part number (`S14-40-2415`), requiring accurate fleet records to determine coverage (Applicability).","Regulatory linkage to a prior FAA AD referenced in the note, so operators may need to reconcile multiple authorities' requirements (Requirement/Note)."],"plain_english_summary":"This airworthiness directive requires Model S-62A helicopters fitted with part `S14-40-2415` primary servo mechanism supports to undergo specified inspections (including fluorescent magnetic particle inspection) at set intervals and at gearbox overhaul/1,250 flight hours. It responds to a reported fracture in a support fitting and a fractured retaining bolt. Owners/operators must schedule initial and recurring inspections (initial within and thereafter every 120 flight hours) and pay for any repairs; the Civil Aviation Safety Authority enforces compliance."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard airworthiness directive maintaining its original narrow scope — addressing a specific safety defect in a specific aircraft part. The amendment appears to be a routine update or reissue of an existing directive (AD/S-62/6) without expansion beyond the original safety purpose."},"complexity_factors":["Single, clearly defined applicability (one helicopter model, one specific part number)","Three straightforward compliance requirements with explicit timeframes","References to external technical document (Sikorsky Service Bulletin 62B40-8) but with specific section citations","No defined terms section, no nested exceptions, no conditional logic beyond standard 'unless already accomplished' clause","Total length: approximately 200 words of substantive content","Single cross-reference to related FAA AD for background context only"],"plain_english_summary":"This AD requires owners/operators of Sikorsky S‑62A helicopters fitted with the specified primary servo mechanism support fittings to inspect those fittings for cracking and damage. It mandates an initial inspection within 120 flight hours of 14 April 2005, continuing periodic checks and a deeper fluorescent magnetic particle inspection at gearbox overhaul or 1,250 total hours.\n\nIt responds to a reported fractured support fitting and retaining bolt that could lead to loss of control."},"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/ad-s-62-6-amdt-1-main-gearbox-primary-servo-mechanism-supports","history":"/api/acts/ad-s-62-6-amdt-1-main-gearbox-primary-servo-mechanism-supports/history","analysis":"/api/acts/ad-s-62-6-amdt-1-main-gearbox-primary-servo-mechanism-supports/analysis","conflicts":"/api/acts/ad-s-62-6-amdt-1-main-gearbox-primary-servo-mechanism-supports/conflicts","importantCases":"/api/acts/ad-s-62-6-amdt-1-main-gearbox-primary-servo-mechanism-supports/important-cases","documents":"/api/acts/ad-s-62-6-amdt-1-main-gearbox-primary-servo-mechanism-supports/documents"}}