AD 76-18-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream Aerospace Corporation | G-1159 | Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes |
Unsafe Condition
Loose terminal connections at the generator terminal boards and associated wiring connections could lead to arcing and failure of the generator system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify engine electrical junction boxes to provide access holes for inspecting generator terminal boards and wiring connections. Inspect terminals for secure lock washers and torque stripes, reinspect every 300 hours time in service until basic modification is done. Replace loose components with self-locking nuts and washers during engine removal.
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Compliance Time
within the next 100 hours time in service after the effective date of this AD, unless already accomplished
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Affected Aircraft
GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 airplanes, serial numbers 1 through 154 and 775
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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