AD 2023-04-17

final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2023-04-17
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2022-1068
FR Citation
88 FR 18011

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition

interference of the fastener against the APU fuel line shroud, possibly resulting in a damaged APU fuel line shroud and consequent failure of the APU fuel hose, which could result in a flammable fluid leak in an ignition zone.

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

Required Actions

inspect the APU fuel line shroud for damage, inspect the pressure switch wire clamp for correct bolt orientation and horizontal distance from the APU fuel line shroud, and applicable on-condition actions.

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

Compliance Time

Within 3 years after the effective date of this AD.

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

Affected Aircraft

certain Boeing Model 737-8 and 737-9 airplanes, and certain Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes.

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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