AD 2019-25-12

final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2019-25-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2019-0983
FR Citation
85 FR 449

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition

The low-pressure oxygen flex hoses in the gaseous passenger oxygen system can potentially be conductive, which can cause the flex hoses to melt or burn and result in an oxygen-fed fire in the passenger cabin.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Replacing the low-pressure oxygen flex hoses with new non-conductive low-pressure oxygen flex hoses in the gaseous passenger oxygen system in airplanes equipped with therapeutic oxygen, and adding instructions for Group 4 airplanes.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 50 flight hours

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Affected Aircraft

The Boeing Company Model 777-200 and -300ER series airplanes, Configuration 2, Group 4.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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