{"id":"F2006B11421","name":"AD/OXY/10 Amdt 1 - Eros Full Face Oxygen Masks","slug":"ad-oxy-10-amdt-1-eros-full-face-oxygen-masks","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":57339,"registerId":"commonwealth-F2006B11421-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/OXY/10 Amdt 1 - Eros Full Face Oxygen Masks","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 107 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nOxygen Systems\n\nAD/OXY/10\n\nAmdt 1\n\n  \nEros Full Face Oxygen Masks 12/92\n\nApplicability: EROS full face quick donning oxygen mask regulators with the following part numbers in the serial number range 23007 to 42855 inclusive: MF10-02-01, MF10- 02-04, MF10-02-05, MF10-02-11, MF10-03-01, MF10-03-11, MF10-04-01, MF10-05-01, MF10-05-04, MF10-05-11, MF10-08-01.\n\nNote: These units may also be marketed by Scott Aviation, Lancaster NY USA, with the original part number and serial number.\n\nRequirement: 1. Mask regulators with serial numbers 23007 to 40094 inclusive - action in accordance with Paragraph 2 of EROS Service Bulletin MF10-35-47 Revision 1 dated 5 June 1992.\n\n2. Mask regulators with serial numbers 40095 to 42855 inclusive - action in accordance with Paragraph 3 of EROS service Bulletin MF10-35-47 Revision 1 dated 5 June 1992.\n\nNote: DGAC AD 92-085(AB)R2 dated 5 August 1992 refers.\n\nCompliance: Requirement 1 \\- prior to 30 November 1992.\n\nRequirement 2 \\- at the next workshop inspection.\n\nBackground: Possible incorrect installation of the headset lead can cause the headset lead clamp to come in contact with the N-100% oxygen regulator valve, resulting in the valve leaking when in the 100% position. The initial issue of this Directive required an inspection and if necessary, the relocation or replacement of the clamp to prevent contact with valve.\n\nThis amendment increases the serial number range of affected mask regulators, requires that mask regulators already inspected be identified with the letter 'A' in lieu of a 'red dot' and correctly identifies the item as a mask regulator.","sortOrder":0}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"The amendment expands the serial-number range of affected mask regulators to include 23007–42855, replaces the post-inspection marking method (from a red dot to the letter 'A'), and explicitly identifies the item as a mask regulator. It applies the same corrective actions in the cited service bulletin to the newly included units and retains the original deadlines (Requirement 1 by 30 Nov 1992; Requirement 2 at next workshop inspection)."},"complexity_factors":["Limited, specific affected parts and a defined serial-number range (23007–42855) reduces scope complexity.","Two distinct compliance tracks with different timing: an absolute deadline (30 Nov 1992) and ‘next workshop inspection’.","Remedial actions are defined externally (EROS Service Bulletin MF10-35-47 Rev 1), requiring access to and reliance on that document.","Change to post-inspection identification method (red dot → letter 'A') adds a simple procedural step.","Reference to alternative marketing/brand (Scott Aviation) requires operators to identify units sold under different names.","Regulatory enforcement by CASA creates legal compliance and record-keeping obligations for operators/owners."],"plain_english_summary":"This Airworthiness Directive orders operators of EROS full-face quick-donning oxygen mask regulators (specific part numbers, serial 23007–42855) to carry out corrective actions in EROS Service Bulletin MF10-35-47 Rev 1: serials 23007–40094 must comply per Paragraph 2 by 30 Nov 1992; serials 40095–42855 per Paragraph 3 at the next workshop inspection (Requirements 1–2). CASA enforces the AD; owners/operators pay for inspections and any clamp relocation/replacement. The amendment widens the serial-number scope, changes post-inspection marking from a red dot to the letter 'A', and labels the item correctly as a mask regulator."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":true,"description":"This amendment expands the original directive's scope by increasing the serial number range of affected mask regulators (adding units 40095-42855 to the original range). It also adds a new marking requirement ('A' instead of 'red dot') for previously inspected units, and corrects the terminology from generic description to 'mask regulator'."},"complexity_factors":["Single technical subject matter (oxygen mask defect)","Only 11 specific part numbers affected","Clear two-tier compliance structure based on serial number ranges","Minimal cross-referencing (one service bulletin and one French aviation directive mentioned in notes only)","No defined terms section","Straightforward sequential requirements (1, 2) with clear deadlines","Background explanation provided in plain language"],"plain_english_summary":"This CASA safety directive requires owners/operators of certain Eros full‑face oxygen masks (part numbers MF10‑02‑01 to MF10‑08‑01, serials 23007–42855; also sold under Scott Aviation) to inspect and repair a manufacturing defect: misrouted headphone wiring can let a clamp rub the oxygen valve and cause leaks at 100% oxygen. Older masks (23007–40094) must be rectified by 30 Nov 1992; newer masks (40095–42855) at the next workshop inspection. Inspected masks must be re‑marked with an “A.”"}},"importantCases":[],"_links":{"self":"/api/acts/ad-oxy-10-amdt-1-eros-full-face-oxygen-masks","history":"/api/acts/ad-oxy-10-amdt-1-eros-full-face-oxygen-masks/history","analysis":"/api/acts/ad-oxy-10-amdt-1-eros-full-face-oxygen-masks/analysis","conflicts":"/api/acts/ad-oxy-10-amdt-1-eros-full-face-oxygen-masks/conflicts","importantCases":"/api/acts/ad-oxy-10-amdt-1-eros-full-face-oxygen-masks/important-cases","documents":"/api/acts/ad-oxy-10-amdt-1-eros-full-face-oxygen-masks/documents"}}