AD 2015-08-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Zodiac | Aerotechnics (Formerly Intertechnique | Airworthiness Directives; Zodiac Aerotechnics (Formerly Intertechnique Aircraft Systems) Oxygen Mask Regulators |
Unsafe Condition
Defective silicon in inflatable harnesses of certain Zodiac Aerotechnics oxygen mask regulators leads to a high premature rupture rate, which could result in inadequate protection against hypoxia during sudden depressurization events.
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Required Actions
Inspect and replace defective inflatable harnesses with new or modified serviceable units. Refer to Zodiac Aerospace Service Bulletin MXH-35-241, Revision 3, dated June 23, 2011, for procedures.
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Compliance Time
Within 12 months of the effective date of June 16, 2015.
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Affected Aircraft
Zodiac Aerotechnics (formerly Intertechnique Aircraft Systems) oxygen mask regulators with inflatable harnesses manufactured between December 2008 and August 2010, having date codes 0850S through 1031S. Harness assemblies without batch codes manufactured before week 33 of 2008 are not affected.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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