{"id":"F2006B11432","name":"AD/OXY/5 - Scott Oxygen Mask Connectors","slug":"ad-oxy-5-scott-oxygen-mask-connectors","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":57361,"registerId":"commonwealth-F2006B11432-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Oxygen Systems","sectionType":"part","heading":"Oxygen Systems","content":"# ![](image.001.png)  \nOxygen Systems\n\nAD/OXY/5 Scott Oxygen Mask Connectors 4/86","sortOrder":0},{"sectionNumber":"Applicability: Scott Aviation oxygen con","sectionType":"part","heading":"Applicability: Scott Aviation oxygen connectors P/Nos 289-56 and 289-56-1.","content":"# Applicability: Scott Aviation oxygen connectors P/Nos 289-56 and 289-56-1.\n\nNote: The constant flow oxygen mask to which the affected connectors may be fitted include, but are not necessarily limited to the following Scott part numbers:\n\n289-127, 289-127-2, 289-127-4, 289-128, 289-128-2, 289-360, 289-395, 289-701-23,\n\n289-701-24, 289-701-223, 289-601-6, 289-601-13, 289-601-17, 289-601-206, 289-\n\n601-213, 289-601-217.","sortOrder":1},{"sectionNumber":"Requirement: Action in accordance with S","sectionType":"part","heading":"Requirement: Action in accordance with Scott Aviation Service Bulletin 289-35-10. Compliance: Within 30 days after 30 April 1986.","content":"# Requirement: Action in accordance with Scott Aviation Service Bulletin 289-35-10. Compliance: Within 30 days after 30 April 1986.\n\nNote: FAA AD 85-26-03 Amdt. 39-5182 refers.","sortOrder":2},{"sectionNumber":"Background: To prevent the blockage of o","sectionType":"part","heading":"Background: To prevent the blockage of oxygen flow due to incompletely drilled oxygen connectors.","content":"# Background: To prevent the blockage of oxygen flow due to incompletely drilled oxygen connectors.","sortOrder":3}],"analysis":{"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument applies only to the listed Scott connector part numbers and associated mask part numbers and requires the single corrective action specified in the manufacturer’s service bulletin within the stated deadline. The text shows no expansion or narrowing of applicability beyond those listed items or of obligations beyond performing the service-bulletin action."},"complexity_factors":["Narrow applicability: specific connector part numbers (289-56, 289-56-1) and enumerated mask part numbers.","Single mandated remedy: compliance with one manufacturer service bulletin (289-35-10).","Short, fixed compliance window: within 30 days after 30 April 1986.","Dependency on external documents (Scott service bulletin and referenced FAA AD) to know exact technical steps."],"plain_english_summary":"This directive requires operators using Scott Aviation oxygen connectors P/N 289-56 and 289-56-1 (and certain Scott constant-flow masks fitted with those connectors) to carry out the corrective work shown in Scott Aviation Service Bulletin 289-35-10 within 30 days after 30 April 1986. The stated purpose is to prevent blockage of oxygen flow caused by incompletely drilled connectors. Owners or operators must arrange and bear the cost of compliance and follow the manufacturer’s service instructions within the specified timeframe."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, time-bound safety directive targeting a specific manufacturing defect in specific aircraft parts. It has not expanded beyond its original purpose of addressing incompletely drilled oxygen connectors."},"complexity_factors":["Very short document (approximately 150 words)","Only 2 defined part numbers in the applicability section","Single, unambiguous compliance requirement (follow Service Bulletin 289-35-10)","Clear deadline (30 days after 30 April 1986)","No nested exceptions, conditional logic, or cross-references to other legislation","Simple cause-and-effect: defect identified → action mandated → deadline set"],"plain_english_summary":"This AD mandates inspection and repair of Scott Aviation oxygen mask connectors (P/N 289-56 and 289-56-1) that may have been incompletely drilled and could block oxygen flow, using Scott Service Bulletin 289-35-10. Compliance was required within 30 days after 30 April 1986.\n\nIt affects operators using Scott constant-flow masks listed in the note; adoption mirrors FAA AD 85-26-03 to prevent crew incapacitation from blocked oxygen."}},"importantCases":[],"_links":{"self":"/api/acts/ad-oxy-5-scott-oxygen-mask-connectors","history":"/api/acts/ad-oxy-5-scott-oxygen-mask-connectors/history","analysis":"/api/acts/ad-oxy-5-scott-oxygen-mask-connectors/analysis","conflicts":"/api/acts/ad-oxy-5-scott-oxygen-mask-connectors/conflicts","importantCases":"/api/acts/ad-oxy-5-scott-oxygen-mask-connectors/important-cases","documents":"/api/acts/ad-oxy-5-scott-oxygen-mask-connectors/documents"}}