AD 2004-21-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream | G-1159 | Airworthiness Directives; Gulfstream Model G-1159, G-1159A, G-1159B, and G-IV Series Airplanes |
Unsafe Condition
Broken or cracked damper shafts in aileron and elevator actuators could result in locking of an actuator (hard-over condition), subsequent loss of aileron or elevator control, and consequent reduced controllability of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect left and right aileron and elevator actuators to determine part and serial numbers. Inspect suspect actuators repetitively to detect broken damper shafts. Replace any actuator with a broken damper shaft. Report any broken damper shafts found to the FAA.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 500 flight hours or 12 months, whichever is first, for repetitive inspections of suspect actuators.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Gulfstream Model G-1159, G-1159A, G-1159B, and G-IV series airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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