{"id":"F2006B07104","name":"AD/S-PUMA/27 Amdt 1 - Main Rotor Head Blade Horn Eye Bolts","slug":"ad-s-puma-27-amdt-1-main-rotor-head-blade-horn-eye-bolts","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48887,"registerId":"commonwealth-F2006B07104-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/S-PUMA/27 Amdt 1 - Main Rotor Head Blade Horn Eye Bolts","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)  \n![](image.002.png)  \nEurocopter AS 332 (Super Puma) Series Helicopters\n\nAIRWORTHINESS DIRECTIVE\n\n![](image.002.png)\n\n![](image.002.png)  \nFor the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/S-PUMA/27 and issues the following AD under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.\n\nAD/S-PUMA/27\n\nAmdt 1\n\n  \nMain Rotor Head Blade Horn Eye Bolts 4/2000\n\nApplicability: Models AS 332 C, C1, L, and L1 helicopters; with eye bolts fitted to the blade horns, and whose eye bolt bearings were installed before 1 September 1997 and have been in service for less than 500 flying hours at the initial effective date of this airworthiness directive.\n\nRequirement: Inspect in accordance with the Eurocopter AS 332 SB No 01-00-52.\n\nNote: DGAC AD 1997-174-063(A)R1 refers.\n\nCompliance: Unless already accomplished, within 50 hours time in service after 22 October 1997.\n\nThis Amendment becomes effective on 20 April 2000.\n\nBackground: A report was received of the deterioration of an eye bolt shaft bearing on the main rotor head blade horn which caused high amplitude vibrations in flight.\n\nAmendment 1 revises the Requirement document and the DGAC AD reference only, no further work is required.\n\nThe original issue of this Airworthiness Directive became effective on 22 October 1997.\n\n![Signature of Eugene Paul Holzapfel Delegate of the Civil Aviation Safety Authority](image.003.png)  \n\nEugene Paul Holzapfel\n\nDelegate of the Civil Aviation Safety Authority 3 March 2000\n\n![](image.002.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 22 March 2000.","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"Amendment 1 does not expand or add inspection obligations. As stated: 'Amendment 1 revises the Requirement document and the DGAC AD reference only, no further work is required.' The AD’s applicability, inspection requirement and compliance timing remain as originally issued."},"complexity_factors":["Narrow applicability tied to model, installation date and remaining flight hours (Applicability: '...installed before 1 September 1997 and have been in service for less than 500 flying hours') increases need for accurate operator records.","Mandatory inspection references an external service document (Requirement: 'Inspect in accordance with the Eurocopter AS 332 SB No 01-00-52'), creating dependency on that SB for technical steps and acceptance criteria.","Cross-reference to a foreign authority AD (Note: 'DGAC AD 1997-174-063(A)R1 refers.') can require operators/maintenance organisations to reconcile multiple documents.","Short compliance deadline (Compliance: 'within 50 hours time in service after 22 October 1997') imposes rapid operational scheduling and potential downtime costs.","Amendment limited to revising the Requirement document and DGAC reference only ('Amendment 1 revises the Requirement document and the DGAC AD reference only, no further work is required'), which lowers technical novelty but creates an administrative traceability task.","Revocation and reissue mechanics (revokes AD/S-PUMA/27 and issues this AD) require operators to track AD history for compliance records."],"plain_english_summary":"Requires operators of Eurocopter AS 332 C/C1/L/L1 helicopters with blade-horn eye bolts installed before 1 September 1997 (and with those bearings having under 500 flight hours at the AD’s initial date) to inspect the eye-bolt bearings in line with the Eurocopter service bulletin. The measure is triggered by a reported bearing deterioration that produced high-amplitude vibration; it imposes a short compliance window (50 hours from 22 October 1997) and creates an inspection and record-keeping obligation for affected operators."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This amendment explicitly limits itself to revising reference documents only. The scope remains identical to the original 1997 directive—same aircraft, same parts, same safety issue. The amendment note confirms no expansion of requirements."},"complexity_factors":["Very short document (under 400 words)","Only 4 defined applicability criteria (model types, eye bolt presence, installation date, flying hours)","Single requirement with cross-reference to external Eurocopter Service Bulletin","Simple compliance deadline (50 hours time in service)","No nested exceptions or conditional logic—straightforward applicability test","Amendment explicitly states 'no further work is required'"],"plain_english_summary":"This CASA safety notice concerns Eurocopter AS 332 Super Puma (C, C1, L, L1) helicopters with eye bolts installed before 1 Sept 1997 and under 500 hours at the 1997 directive. It requires inspection of the main-rotor blade horn eye bolt per Eurocopter Service Bulletin No. 01-00-52 within 50 flight hours after 22 Oct 1997. The April 2000 amendment only updates reference documents; no new work is needed if the 1997 inspection was done."},"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"}},"importantCases":[],"_links":{"self":"/api/acts/ad-s-puma-27-amdt-1-main-rotor-head-blade-horn-eye-bolts","history":"/api/acts/ad-s-puma-27-amdt-1-main-rotor-head-blade-horn-eye-bolts/history","analysis":"/api/acts/ad-s-puma-27-amdt-1-main-rotor-head-blade-horn-eye-bolts/analysis","conflicts":"/api/acts/ad-s-puma-27-amdt-1-main-rotor-head-blade-horn-eye-bolts/conflicts","importantCases":"/api/acts/ad-s-puma-27-amdt-1-main-rotor-head-blade-horn-eye-bolts/important-cases","documents":"/api/acts/ad-s-puma-27-amdt-1-main-rotor-head-blade-horn-eye-bolts/documents"}}