AD 2018-21-14

final rule
Data completeness: 80%

Airworthiness Directives; Zodiac Aerotechnics Oxygen Mask Regulators

AD Number
2018-21-14
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2017-0505
FR Citation
84 FR 4987

Unsafe Condition

certain silicon harness inflation hoses installed on certain flight crew quick donning mask harnesses have shown an unusually high premature rupture rate

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Required Actions

inspect and replace oxygen mask regulator harness inflation hoses

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Compliance Time

Within 36 months after March 27, 2019

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Affected Aircraft

Zodiac Aerotechnics oxygen mask regulators, crew oxygen mask regulators with part numbers listed in Zodiac Aerospace Service Bulletin MC10-35-274, Revision 02, dated June 25, 2014

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Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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