{"id":"F2006B06553","name":"AD/RB211/22 Amdt 1 - Spray Nozzle Fuel Supply Tube - Inspection","slug":"ad-rb211-22-amdt-1-spray-nozzle-fuel-supply-tube-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48279,"registerId":"commonwealth-F2006B06553-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Terminating Action","sectionType":"part","heading":"Terminating Action","content":"# Terminating Action\n\nIncorporation of Rolls Royce SB RB.211-78-D518 constitutes compliance with the requirements of this Directive.\n\nNote: CAA (UK) AD 002-05-2000 refers.\n\nCompliance: Hold Open Rod:\n\nWithin 25 hours time-in-service (TIS) from the effective date of the original issue of this Directive. Thereafter, at anytime the L/H C-duct is opened.","sortOrder":0},{"sectionNumber":"No. 14 Fuel Spray Nozzle Supply Tube:","sectionType":"part","heading":"No. 14 Fuel Spray Nozzle Supply Tube:","content":"# No. 14 Fuel Spray Nozzle Supply Tube:\n\nBetween 250 and 300 hours TIS since installation. If in excess of 300 hours TIS, within 25 hours TIS from the effective date of the original issue of this Directive. Thereafter, re-inspect at intervals not exceeding 600 hours TIS.\n\nThis Amendment becomes effective on 27 November 2003.\n\nBackground: Reports have been received of contact between the No.14 fuel spray nozzle fuel supply tube and the L/H C-duct forward hold open rod. This Directive has been raised to mandate inspection of the fuel manifold to No.14 fuel spray nozzle fuel supply tube for signs of fretting between the tube and/ or the hexagonal section of the forward hold open rod. This amendment, although having no affect on the requirement of the original issue of this Directive, introduces terminating action of the initial and repetitive inspection requirements of this Directive.","sortOrder":1},{"sectionNumber":"Rolls Royce Turbine Engines - RB211 Seri","sectionType":"part","heading":"Rolls Royce Turbine Engines - RB211 Series","content":"# Rolls Royce Turbine Engines \\- RB211 Series\n\nAD/RB211/22 Amdt 1 (continued)\n\nThe original issue of this Airworthiness Directive became effective on 10 August 2000.\n\n![Signature of Jim Coyne Delegate of the Civil Aviation Safety Authority](image.002.png)  \n\nJim Coyne\n\nDelegate of the Civil Aviation Safety Authority 14 October 2003\n\n![](image.001.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 5 November 2003.","sortOrder":2}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2098},"content_quality":"ok","complexity_score":4,"scope_assessment":{"changed":false,"description":"This amendment does not alter the scope of the original directive. It introduces a 'terminating action' (a way to cease repetitive inspections by completing a specified repair) while explicitly maintaining all original inspection requirements unchanged."},"complexity_factors":["Technical aviation terminology requiring domain knowledge (TIS - Time In Service, C-duct, fretting, Service Bulletins)","Conditional compliance timeframes with multiple thresholds (250-300 hours vs 25 hours vs 600 hours)","Cross-references to UK Civil Aviation Authority directives and manufacturer technical documents","Amendment structure that layers new requirements (terminating action) atop existing mandatory inspection rules","Precise physical component references (No.14 fuel spray nozzle, hexagonal sections of rods)"],"plain_english_summary":"This Airworthiness Directive requires operators of Rolls‑Royce RB211 engines to inspect the No.14 fuel spray nozzle supply tube and the L/H C‑duct forward hold‑open rod for fretting that can lead to fuel leaks, fire, or engine failure. Inspections must occur within specified flight‑hour windows and repeat periodically, but following Rolls‑Royce Service Bulletin RB.211‑78‑D518 provides terminating action that removes the need for repetitive checks. Affects airlines, charter operators, and maintenance organizations using RB211 engines."}},"importantCases":[],"_links":{"self":"/api/acts/ad-rb211-22-amdt-1-spray-nozzle-fuel-supply-tube-inspection","history":"/api/acts/ad-rb211-22-amdt-1-spray-nozzle-fuel-supply-tube-inspection/history","analysis":"/api/acts/ad-rb211-22-amdt-1-spray-nozzle-fuel-supply-tube-inspection/analysis","conflicts":"/api/acts/ad-rb211-22-amdt-1-spray-nozzle-fuel-supply-tube-inspection/conflicts","importantCases":"/api/acts/ad-rb211-22-amdt-1-spray-nozzle-fuel-supply-tube-inspection/important-cases","documents":"/api/acts/ad-rb211-22-amdt-1-spray-nozzle-fuel-supply-tube-inspection/documents"}}