AD 2019-08-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
heat damage to the vapor seals between the engine strut and aft fairing, which could allow flammable fluid leakage out of the aft fairing, 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
install new aft fairing vapor seals, heatshield seals, heatshield seal retainers, block seals, and outboard lateral restraint access panels, as specified in the Accomplishment Instructions of Boeing Alert Service Bulletin 747-54A2247, dated August 3, 2017.
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Compliance Time
Within 4 years or 4,800 flight cycles after the AD effective date, whichever occurs first.
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Affected Aircraft
all The Boeing Company Model 747-8 and 747-8F series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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