{"id":"F2006B07108","name":"AD/S-PUMA/31 Amdt 1 - Tail Rotor Blade De-icing Rotating Collector","slug":"ad-s-puma-31-amdt-1-tail-rotor-blade-de-icing-rotating-collector","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48899,"registerId":"commonwealth-F2006B07108-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/S-PUMA/31 Amdt 1 - Tail Rotor Blade De-icing Rotating Collector","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nEurocopter AS 332 (Super Puma) Series Helicopters\n\nAD/S-PUMA/31\n\nAmdt 1\n\n  \nTail Rotor Blade De-icing Rotating Collector 13/99\n\nApplicability: Model AS 332 helicopters versions C, C1, L, and L1, equipped with a TGB fitted with a tail rotor blade de-icing rotating collector part number 110-265-201.\n\nRequirement: Action in accordance with Eurocopter Service Bulletin 05.00.45 R1 paragraph 2.B.\n\nNote: DGAC AD 1998-155-069 (A) R1 refers.\n\nCompliance: Within 100 hours time in service or 6 months after 16 July 1998, whichever occurs first; thereafter at intervals not to exceed 110 hours time in service or 6 months, whichever occurs first.\n\nThis Amendment becomes effective on 30 December 1999.\n\nBackground: A report was received of excessive play found on the tail rotor blade de-icing rotating collector. The actions required by this Directive are intended to prevent damage to the bearings and rotation of the fixed part of the collector.\n\nAmendment 1 is issued in response to a revision of the Requirement document and the related DGAC AD which introduce revised inspection requirements.\n\nThe original issue of this Airworthiness Directive became effective on 16 July 1998.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This amendment remains tightly focused on its original purpose: ensuring safety of the tail rotor de-icing rotating collector. The amendment simply updates the inspection requirements based on revised manufacturer guidance, without expanding to other helicopter systems or models."},"complexity_factors":["Single, specific applicability criterion (four helicopter models with one specific part number)","Straightforward compliance timeline (two simple intervals: initial and recurring)","Single cross-reference to one external technical document (Eurocopter Service Bulletin)","No defined terms section","No nested conditional logic or exceptions","Total length: approximately 200 words"],"plain_english_summary":"Owners/operators of Eurocopter AS 332 C/C1/L/L1 helicopters fitted with tail-rotor blade de‑icing rotating collector P/N 110‑265‑201 must perform the inspection and maintenance in Eurocopter Service Bulletin 05.00.45 R1. Initial check is within 100 flight hours or 6 months after 16 July 1998, then every 110 flight hours or 6 months. This prevents bearing damage and possible tail-rotor failure after detected excessive wear; Amendment 1 updates requirements per DGAC/manufacturer guidance."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"Amendment 1 revises the inspection requirements by adopting the updated Eurocopter Service Bulletin 05.00.45 R1 and the related DGAC AD revision; the applicability (AS 332 C/C1/L/L1 with collector P/N 110-265-201) remains as originally stated, while the inspection timing and interval regime are specified/updated (initial within 100 hours or 6 months after 16 July 1998; thereafter every 110 hours or 6 months)."},"complexity_factors":["Narrow technical scope: applies only to AS 332 C/C1/L/L1 helicopters fitted with collector P/N 110-265-201 (operator must verify equipment fitment).","Dependence on an external document: Requirement is to act in accordance with Eurocopter Service Bulletin 05.00.45 R1 paragraph 2.B (operators must obtain and follow that bulletin).","Linked foreign AD: references and aligns with a revised DGAC AD, requiring cross-jurisdictional document tracking.","Recurring dual-criterion compliance schedule: initial compliance window (100 flight hours or 6 months from 16 July 1998) and repeating intervals (110 hours or 6 months) impose maintenance planning and tracking burdens.","Operational impact: inspections may uncover bearing damage requiring repair/replacement, creating direct maintenance cost and scheduling consequences for operators.","Regulatory enforcement: CASA issues and enforces the AD, placing legal compliance responsibility on operators."],"plain_english_summary":"This Directive requires operators of Eurocopter AS 332 (Super Puma) models C/C1/L/L1 fitted with tail‑rotor de‑icing rotating collector P/N 110‑265‑201 to inspect and follow Eurocopter Service Bulletin 05.00.45 R1 paragraph 2.B to detect excessive play and prevent bearing or fixed‑part damage. Operators must perform an initial check within 100 flight hours or six months after 16 July 1998 and repeat at intervals not exceeding 110 hours or six months; operators pay for and arrange the inspections and CASA enforces compliance."}},"importantCases":[],"_links":{"self":"/api/acts/ad-s-puma-31-amdt-1-tail-rotor-blade-de-icing-rotating-collector","history":"/api/acts/ad-s-puma-31-amdt-1-tail-rotor-blade-de-icing-rotating-collector/history","analysis":"/api/acts/ad-s-puma-31-amdt-1-tail-rotor-blade-de-icing-rotating-collector/analysis","conflicts":"/api/acts/ad-s-puma-31-amdt-1-tail-rotor-blade-de-icing-rotating-collector/conflicts","importantCases":"/api/acts/ad-s-puma-31-amdt-1-tail-rotor-blade-de-icing-rotating-collector/important-cases","documents":"/api/acts/ad-s-puma-31-amdt-1-tail-rotor-blade-de-icing-rotating-collector/documents"}}