AD 2000-26-20
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream | Various | Airworthiness Directives; Gulfstream Model G-1159A (G-III) Series Airplanes |
Unsafe Condition
An electrical system failure may occur without the flight crew being aware that the airplane batteries are powering the DC essential bus, leading to depletion of the batteries and potential failure of critical equipment.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the wiring in specified components (pilot's and co-pilot's junction boxes, auxiliary power relay box, power distribution box, and master caution panel) by installing an additional legend labeled 'BATT ON BUS' and associated wiring, as per Gulfstream Customer Bulletin No. 149 and Gulfstream Aircraft Service Change No. 294.
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Compliance Time
Within 12 months after the effective date of the AD.
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Affected Aircraft
Gulfstream Model G-1159A (G-III) series airplanes, serial numbers 357 and 402 through 498 inclusive, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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