AD 69-20-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream Aerospace Corporation | G-159 | Airworthiness Directives; GRUMMAN Model G-159 Aircraft |
Unsafe Condition
Fuel filter blockage due to ice and possible engine flameout.
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Required Actions
Install a fuel temperature indicator on each engine fuel system per Grumman Gulfstream Service Change 114, mark the gauge with red radial lines and a green arc, and install a placard adjacent to the indicator. Alternatively, use a fuel additive per AC 20-29A with an AFM supplement or Rev 21 AFM.
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Compliance Time
within the next 50 hours' time in service after the effective date of this airworthiness directive as amended
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Affected Aircraft
GRUMMAN Model G-159 aircraft as specified in Amendment 39-848 and 39-924
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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