AD 65-13-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream Aerospace Corporation | G-159 | Airworthiness Directives; GRUMMAN Model G-159 Aircraft |
Unsafe Condition
Failure of the nose gear trunnion due to cracks in the radii above and below the area where the retract shaft attachment lugs blend into the trunnion flanges.
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Required Actions
Inspect the nose gear trunnion (Bendix P/N 171467) within the next 20 hours' time in service after the effective date, unless replaced or already inspected within the last 80 hours. Subsequent inspections must occur at intervals not exceeding 100 hours' time in service. Use dye penetrant method with 10 power or greater glass or FAA-approved equivalent. Replace cracked trunnions before further flight except under FAR 21.197 approval.
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Compliance Time
Within the next 20 hours' time in service after the effective date of this AD
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Affected Aircraft
GRUMMAN Model G-159 Aircraft equipped with Bendix Nose Gear Strut Assembly, P/N 1722-40 or 2570890.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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