{"id":"F2005L00607","name":"AD/RB211/14 Amdt 1 - Thrust Reverser Resolver - CANCELLED","slug":"ad-rb211-14-amdt-1-thrust-reverser-resolver-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":112867,"registerId":"commonwealth-F2005L00607-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/RB211/14 Amdt 1 - Thrust Reverser Resolver - CANCELLED","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 20.2\ntitle: AIRCRAFT\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\n \n\nAIRWORTHINESS DIRECTIVE\n\nOn the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes  Airworthiness Directive AD/RB211/14 Amdt 1.\n\n### Rolls Royce Turbine Engines - RB211 Series\n\n| AD/RB211/14 Amdt 1 | Thrust Reverser Resolver | 4/2005 |\n| --- | --- | --- |\n\n\n \n\n| Requirement: | CANCELLED. |\n| --- | --- |\n|  | This AD is cancelled on 14 April 2005. |\n| Background: | The modification required by this Directive has been incorporated into all engines. |\n\n\n![](image.001.png)\n\nJames Coyne  Delegate of the Civil Aviation Safety Authority\n\n2 March 2005\n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2366},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument terminates a specific airworthiness requirement but does not expand the regulatory scope. It reflects the natural conclusion of a safety mandate once fleet-wide compliance is achieved, rather than a policy expansion or mission creep."},"complexity_factors":["Single operative provision (cancellation of previous directive)","No definitions or interpretation section","Only one cross-reference (to the AD being cancelled)","No conditional logic, exceptions, or procedural steps","Minimal length (approximately 100 words)"],"plain_english_summary":"This document **cancels a previous aviation safety rule** about **thrust reversers** (the parts on jet engines that help slow aircraft after landing) on Rolls-Royce RB211 engines.\n\n**What it does:**\n- Revokes Airworthiness Directive AD/RB211/14 Amdt 1\n- Removes the mandatory requirement for aircraft operators to modify or inspect **thrust reverser resolvers** (electronic sensors that monitor these braking systems)\n- Takes effect on 14 April 2005\n\n**Why it matters:** The Civil Aviation Safety Authority (CASA) issued the original rule to fix a safety issue, but the required modification has now been built into all affected engines. Since the entire fleet has been updated, the mandatory repair order is no longer needed.\n\n**Who it affects:** Airlines and maintenance organisations operating Rolls-Royce RB211 engines, who no longer need to track or comply with this specific directive after the cancellation date."}},"importantCases":[],"_links":{"self":"/api/acts/ad-rb211-14-amdt-1-thrust-reverser-resolver-cancelled","history":"/api/acts/ad-rb211-14-amdt-1-thrust-reverser-resolver-cancelled/history","analysis":"/api/acts/ad-rb211-14-amdt-1-thrust-reverser-resolver-cancelled/analysis","conflicts":"/api/acts/ad-rb211-14-amdt-1-thrust-reverser-resolver-cancelled/conflicts","importantCases":"/api/acts/ad-rb211-14-amdt-1-thrust-reverser-resolver-cancelled/important-cases","documents":"/api/acts/ad-rb211-14-amdt-1-thrust-reverser-resolver-cancelled/documents"}}