{"id":"F2009L02226","name":"AD/S-76/2 - Engine Oil Filler Service Door - Modification - CANCELLED","slug":"ad-s-76-2-engine-oil-filler-service-door-modification-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":162034,"registerId":"commonwealth-F2009L02226-current","compilationNumber":null,"startDate":"2026-04-04","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Sikorsky S-76 Series Helicopters","sectionType":"division","heading":"Sikorsky S-76 Series Helicopters","content":"### Sikorsky S-76 Series Helicopters\n\n| AD/S-76/2 | Engine Oil Filler Service Door - Modification | 7/2009 |\n| --------- | --------------------------------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                                                                                     |\n| ------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |\n|              | This AD is cancelled on 2 July 2009.                                                                                                                                                                                                                                                                                           |\n| Background:  | This AD, raised in 1979 against Sikorsky CSB No. 76-53-3, required a modification to provide a back-up method for securing the engine oil filler service door. Compliance was required within 100 hours TIS after 30 September 1979.As all affected aircraft would have been modified long ago, this AD is no longer required. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n22 May 2009","sortOrder":0},{"sectionNumber":"AD/S-76/2","sectionType":"part","heading":"AD/S-76/2","content":"## AD/S-76/2","sortOrder":1},{"sectionNumber":"Engine Oil Filler Service Door - Modific","sectionType":"part","heading":"Engine Oil Filler Service Door - Modification","content":"## Engine Oil Filler Service Door - Modification","sortOrder":2},{"sectionNumber":"7/2009","sectionType":"part","heading":"7/2009","content":"## 7/2009","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1866},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The instrument simply repeals an earlier directive without expanding regulatory scope or creating new obligations."},"complexity_factors":["Single operative provision (cancellation of previous AD)","No defined terms or interpretation section","No procedural steps, conditions, or exceptions","Under 100 words of substantive text"],"plain_english_summary":"This Airworthiness Directive (AD) cancels an earlier safety requirement for Sikorsky S-76 helicopters. The original 1979 directive required owners to modify the engine oil filler service door to add a backup locking method within 100 hours of flight time. This instrument removes that requirement because every affected helicopter was modified decades ago, making the rule unnecessary."}},"importantCases":[],"_links":{"self":"/api/acts/ad-s-76-2-engine-oil-filler-service-door-modification-cancelled","history":"/api/acts/ad-s-76-2-engine-oil-filler-service-door-modification-cancelled/history","analysis":"/api/acts/ad-s-76-2-engine-oil-filler-service-door-modification-cancelled/analysis","conflicts":"/api/acts/ad-s-76-2-engine-oil-filler-service-door-modification-cancelled/conflicts","importantCases":"/api/acts/ad-s-76-2-engine-oil-filler-service-door-modification-cancelled/important-cases","documents":"/api/acts/ad-s-76-2-engine-oil-filler-service-door-modification-cancelled/documents"}}