AD 91-25-05

final rule
Data completeness: 70%

Airworthiness Directives; GULFSTREAM AEROSPACE CORPORATION Model G-1159A (G-III) and G-IV Series Airplanes

AD Number
91-25-05
Status
final_rule
Effective Date
Product Category
aircraft
Docket
91-NM-236-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 25 hours time-in-service after the effective date of this AD

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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