AD 2014-23-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Inadvertent electrical current passing through an internal, anti-collapse spring of the low-pressure oxygen hose can cause the hose to melt or burn, leading to an oxygen-fed fire and/or smoke beneath the flight deck in the forward electronics equipment bay.
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Required Actions
Replace the low-pressure oxygen hoses with non-conductive hoses in the crew oxygen system. Rework the crew oxygen distribution manifold assembly from part number 4421086-101 to 4421086-102, as specified in Boeing Alert Service Bulletin B787-81205-SB350001-00, Issue 001, dated August 22, 2013, and B/E Aerospace Service Bulletin 4421086-35-001, Rev. 002, dated July 9, 2013.
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Compliance Time
Within 60 months after the effective date of this AD.
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Affected Aircraft
The Boeing Company Model 787-8 airplanes, certificated in any category, as identified in Boeing Alert Service Bulletin B787-81205-SB350001-00, Issue 001, dated August 22, 2013.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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