AD 74-12-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream Aerospace Corporation | G-1159 | Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes |
Unsafe Condition
Operation of the pitch trim at a greater rate when an additional signal in the opposite direction is selected.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the Automatic Flight Control System junction box in accordance with Grumman American Aviation Corporation, Aircraft Service Change 143, or an equivalent modification approved by the Chief, Engineering and Manufacturing Branch, FAA Southern Region.
AI-generated summary from the source AD text. Verify against the official source before acting.
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 certificated in all categories.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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