AD 87-25-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Frakes Aviation | G-73 | Airworthiness Directives; GULFSTREAM AMERICAN Model G-73 (Mallard) Series Airplanes |
Unsafe Condition
Jamming of the elevator control system due to improper overlap or misalignment between the elevator control torque tube arm (P/N 109410) and the elevator up stop bolt hex head (P/N G19-5-22).
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Required Actions
Visually inspect the overlapping contact surface between the torque tube arm and stop bolt hex head per SB G-73-FA26. If overlap is less than half the hex head dimension or alignment exceeds 1/8 inch, install Frakes Aviation Stop Kit (P/N FA112723K1) before further flight. If within limits, install the stop kit within 100 hours time-in-service.
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Compliance Time
Within 15 days after the effective date (January 19, 1988) for inspection. Install Stop Kit before further flight if non-compliant, or within 100 hours time-in-service if compliant.
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Affected Aircraft
GULFSTREAM AMERICAN (Frakes Aviation) Model G-73 (Mallard) series airplanes, all serial numbers, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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