AD 75-15-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream Aerospace Corporation | G-1159 | Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes |
Unsafe Condition
The stall barrier hydraulic in-line filters may become lodged in the stall barrier valves, causing the stick pusher to remain energized after actuation. Portions of the filters could also damage the valves and cylinder if the filters are not intact upon removal.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace stall barrier hydraulic in-line filters within 200 flight hours or three months after the AD's effective date. Inspect and leak check stall barrier valves and cylinder if replaced filters are not intact. Incorporate emergency procedures in the Flight Manual and operating limitations in the AFM until Service Change 199 is accomplished.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within two hundred (200) flight hours, or three months, after the effective date of this AD, whichever occurs first
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Affected Aircraft
GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 airplanes, Serial Number 1 through 164 and 775.
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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