AD 99-17-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream Aerospace LP | Astra SPX | Airworthiness Directives; Israel Aircraft Industries, Ltd., Model Astra SPX Series Airplanes |
Unsafe Condition
Cracking of the main fuel tube assemblies of the left and right engines at the base of the 'T' joint weld (fuel pressure switch boss), which could result in fuel line fractures and consequent in-flight engine shutdowns or an increased risk of engine nacelle fires.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a fluorescent penetrant inspection within 5 hours time-in-service after the effective date to detect cracking around the bases of the 'T' joint welds. Repeat inspections at intervals not exceeding 25 hours time-in-service. Replace the fuel tube assembly with a new or serviceable part before further flight if any crack is detected.
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Compliance Time
Within 5 hours time-in-service after the effective date
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Affected Aircraft
Model Astra SPX series airplanes, serial numbers 089 through 115 inclusive
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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