AD 2023-08-04

final rule
Data completeness: 80%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2023-08-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2022-1417
FR Citation
88 FR 33823

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition

incorrectly installed or missing lavatory and galley clamshell couplings that could lead to water leaks and water migration to critical flight equipment, which may affect the continued safe flight and landing of the airplane.

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Required Actions

a detailed visual inspection of all door 1 and door 3 lavatory and galley potable water systems for any missing or incorrectly installed clamshell couplings, and applicable on-condition actions, including installing clamshell couplings, doing a leak test, and performing corrective actions until the leak test is passed.

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Compliance Time

Before further flight

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Affected Aircraft

The Boeing Company Model 787-8, 787-9, and 787-10 airplanes listed in the effectivity of Boeing Alert Requirements Bulletin B787-81205-SB380021-00 RB, Issue 001, dated August 12, 2022.

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

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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