{"id":"F2006B07089","name":"AD/S-PUMA/1 - Main Rotor Shaft","slug":"ad-s-puma-1-main-rotor-shaft","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48851,"registerId":"commonwealth-F2006B07089-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/S-PUMA/1 - Main Rotor Shaft","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Eurocopter AS 332 (Super Puma) Series Helicopters\n\n \n\nAD/S-PUMA/1 Main Rotor Shaft 2/91\n\nApplicability: Versions C, C1, L and L1 which are fitted with main rotor shafts P/Nos 330A31 1222.05 or .06 modified per AMS 07.43069 and 330A31 1222.08, .09, .11 or .12.\n\n \n\nRequirement: Action in accordance with the technical requirements of DGAC AD 83-095-006(B) Revision 1, dated 19 September 1990.\n\n \n\nNote: Aerospatiale AS 332 SB No 05.01 R2 approved 31 August 1990, refers.\n\n \n\nCompliance: In accordance with the Requirement Document.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is a standard, narrow airworthiness directive. It addresses a specific mechanical component on specific aircraft models. There is no indication of scope creep; it performs exactly the function it was designed for (mandatory safety action on a defective part)."},"complexity_factors":["Very short document (approximately 200 words)","Only 4 defined elements: applicability (helicopter versions and part numbers), requirement (reference to external document), note (reference to service bulletin), and compliance","Single external cross-reference to French DGAC directive and one service bulletin","No nested conditional logic or exceptions — applicability is a straightforward list of part numbers and modifications","Technical but not legally convoluted — complexity is in the engineering, not the drafting"],"plain_english_summary":"**What this is:** This is an **Airworthiness Directive (AD)** — a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA). Think of it like a compulsory recall notice, but for aircraft parts rather than cars.\n\n**What it does:** It requires owners and operators of specific **Eurocopter AS 332 Super Puma helicopters** to inspect or fix their **main rotor shafts** (the critical component that spins the main rotor blades). The directive applies only to certain helicopter versions (C, C1, L, and L1) fitted with specific part numbers of rotor shafts that have undergone a particular modification.\n\n**Who must follow it:** Anyone operating these specific Super Puma helicopters in Australia — including airlines, emergency services, mining companies, or private owners.\n\n**What they must do:** Follow the technical instructions in a French aviation safety document (DGAC AD 83-095-006(B) Revision 1). There's also a reference to a manufacturer's service bulletin (Aerospatiale SB No 05.01 R2) that provides additional guidance.\n\n**Why it matters:** The main rotor shaft is literally what keeps the helicopter in the air. If it fails, the aircraft crashes. This AD likely addresses a discovered defect or wear pattern that could lead to catastrophic failure. Compliance is mandatory — you cannot legally fly the aircraft until the required action is completed."},"flash_summary":{"complexity_score":5,"scope_assessment":{"changed":false,"description":"The instrument specifies a narrow, specific scope: AS 332 versions C, C1, L and L1 fitted with enumerated main rotor shaft part numbers (including a specified AMS modification). The text does not indicate any amendment or expansion of that scope compared with what it states; it simply directs compliance with an external DGAC AD for those listed items (Applicability; Requirement)."},"complexity_factors":["Directive references an external technical document (DGAC AD 83-095-006(B) Rev 1) rather than reproducing requirements, requiring operators to obtain and interpret that document (Requirement).","Applicability is limited to specific airframe versions and exact part numbers, including reference to modification per AMS 07.43069, which requires precise parts/maintenance records to determine applicability (Applicability).","The instrument gives no operational detail—inspection intervals, corrective actions or pass/fail criteria are all in the referenced document—adding uncertainty for readers of the Australian text (Requirement; Compliance).","A quoted Note points to an Aerospatiale service bulletin (SB No 05.01 R2), creating a second external source operators may have to consult (Note).","Enforcement and compliance depend on alignment between Australian regulatory processes and the referenced foreign AD, creating potential administrative and interpretive burden (Header; Requirement; Compliance)."],"plain_english_summary":"This airworthiness directive requires owners/operators and maintenance organisations of Eurocopter AS 332 C/C1/L/L1 helicopters fitted with specified main rotor shaft part numbers to carry out the actions set out in DGAC AD 83-095-006(B) Revision 1. Issued under Australia’s Civil Aviation framework, it enforces that foreign technical standard without reproducing the procedures, so affected operators bear the inspection/repair costs and administrative burden of obtaining and following the referenced document."}},"importantCases":[],"_links":{"self":"/api/acts/ad-s-puma-1-main-rotor-shaft","history":"/api/acts/ad-s-puma-1-main-rotor-shaft/history","analysis":"/api/acts/ad-s-puma-1-main-rotor-shaft/analysis","conflicts":"/api/acts/ad-s-puma-1-main-rotor-shaft/conflicts","importantCases":"/api/acts/ad-s-puma-1-main-rotor-shaft/important-cases","documents":"/api/acts/ad-s-puma-1-main-rotor-shaft/documents"}}