AD 91-25-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream Aerospace Corporation | G-1159A | Airworthiness Directives; GULFSTREAM AEROSPACE CORPORATION Model G-1159A (G-III) and G-IV Series Airplanes |
| aircraft | Gulfstream Aerospace Corporation | G-IV | Airworthiness Directives; GULFSTREAM AEROSPACE CORPORATION Model G-1159A (G-III) and G-IV Series Airplanes |
Unsafe Condition
Chafing or damage of the electrical feeder cable between the power distribution box and the co-pilot's junction box could cause avionics system failures, severely inhibiting the flight crew's ability to handle adverse conditions and conduct a safe flight and landing.
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Required Actions
Within 25 hours time-in-service after the AD's effective date, perform a one-time inspection using Gulfstream Alert Customer Bulletins No. 6A (G-III) or No. 7A (G-IV). If chafing or damage is found, repair the cable before further flight per FAA-approved methods. Alternative compliance may be requested through the FAA.
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Compliance Time
Within 25 hours time-in-service after the effective date of this AD
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Affected Aircraft
Gulfstream Aerospace Corporation Model G-1159A (G-III) serial numbers 357 and 402 through 498; Model G-IV serial numbers 1000 through 1180.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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