AD 2008-05-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-600 | Airworthiness Directives; Boeing Model 737-600, 737-700, 737-700C, 737-800, and 737-900 Series Airplanes |
Unsafe Condition
Missing sealant around the vertical fin lugs, skin, and skin edges could result in icing of the elevator cables, leading to system jam and corrosion of structural and flight control parts, which could reduce controllability of the airplane.
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Required Actions
Inspect the vertical fin lugs, skin, and skin edges for discrepancies; inspect the flight control cables, fittings, and pulleys in section 48 for signs of corrosion; inspect the horizontal stabilizer jackscrew, ball nut, and gimbal pins for signs of corrosion; take corrective actions if necessary.
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Compliance Time
Before further flight
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Affected Aircraft
Boeing Model 737-600, 737-700, 737-700C, 737-800, and 737-900 series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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