AD 2020-23-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream | Aerospace Corporation | Airworthiness Directives; Gulfstream Aerospace Corporation Airplanes |
Unsafe Condition
A misassembled fuel boost pump could result in a woodruff key becoming dislodged and causing friction between static and rotating components internal to the fuel boost pump. This friction could generate heat or sparks inside the fuel tank, which, if the pump were to run dry, could result in a fuel tank fire or fuel tank explosion.
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Required Actions
Revising the existing AFM for your airplane by adding new warnings to the Abnormal Procedures and Emergency Procedures sections. Revising the existing AMM for your airplane by replacing maintenance procedures pertaining to the fuel boost pump.
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Compliance Time
Before further flight
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Affected Aircraft
Gulfstream Aerospace Corporation, Model GVII-G500 and Model GVII-G600 airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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