AD 2017-04-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Damaged vapor seals, block seals, and heat shield seals on the outboard pylons between the engine strut and aft fairing, which could allow flammable fluid leakage out of the aft fairing, potentially resulting in an uncontrolled fire in the engine strut.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct repetitive inspections for heat damage of the vapor seals between the engine strut and aft fairing. Replace the seals with new seals if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in the AD, unless already done.
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Affected Aircraft
The Boeing Company Model 747-8 and 747-8F series airplanes, certificated in any category.
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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