AD 2020-05-26

final rule
Data completeness: 80%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2020-05-26
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2019-0719
FR Citation
85 FR 17480

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition

a hole in the firewall, which could allow flammable fluid to leak from the strut compartment to the engine compartment when the drainage provision is overwhelmed.

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

Required Actions

a one-time leak test of the strut upper spar areas for the left and right wing struts, and corrective action if necessary.

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

Compliance Time

Before further flight

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

Affected Aircraft

The Boeing Company Model 787-8 airplanes.

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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