AD 2014-23-12

final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2014-23-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2014-0174
FR Citation
79 FR 70445

Applicability

TypeManufacturerModelDetails
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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