AD 2003-03-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-300 | Airworthiness Directives; Boeing Model 737-300, -400, and -500 Series Airplanes |
Unsafe Condition
Vibro-engraving on new rod ends creates stress risers that reduce fatigue life, potentially leading to fatigue cracking and failure of the rod ends. This could result in uncommanded deployment of the wing leading edge slat and reduced controllability of the airplane.
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Required Actions
Inspect all rod ends on the actuators of the wing leading edge slats to determine if vibro-engraving was used. Replace rod ends with vibro-engraving with new parts, as necessary. Revise the maintenance program to include this inspection.
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Compliance Time
Before further flight
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Affected Aircraft
Boeing Model 737-300, -400, and -500 series airplanes with existing actuators or rod ends on the wing leading edge slat positions 1, 2, 5, and 6.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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