Commonwealth legislation

AD/OXY/10 Amdt 1 - Eros Full Face Oxygen Masks

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Commonwealth

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legislative instrument

Plain English Summary

3/10 complexity

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.

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AD/OXY/10 Amdt 1 - Eros Full Face Oxygen Masks

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Oxygen Systems

AD/OXY/10

Amdt 1

Eros Full Face Oxygen Masks 12/92

Applicability: 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.

Note: These units may also be marketed by Scott Aviation, Lancaster NY USA, with the original part number and serial number.

Requirement: 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.

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.

Note: DGAC AD 92-085(AB)R2 dated 5 August 1992 refers.

Compliance: Requirement 1 - prior to 30 November 1992.

Requirement 2 - at the next workshop inspection.

Background: 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.

This 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.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.

1 AD/OXY/10 Amdt 1 - Eros Full Face Oxygen Masks