AD 2007-15-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-800 | Airworthiness Directives; Boeing Model 737-800 Series Airplanes |
Unsafe Condition
Interference within the actuator main control valve can cause flight spoiler actuator jams, leading to a flight spoiler actuator hardover and the spoiler surface jamming in the fully extended position. Two or more hardover failures on the same wing can cause significant roll and loss of control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace all eight flight spoiler actuators with improved actuators. Ensure no hydraulic leakage at connections to new actuators. Complete adjustments and tests of each flight spoiler to ensure correct operation. Return removed flight spoiler actuators to the vendor for modification (not required by AD).
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 120 days from the effective date of August 8, 2007.
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Affected Aircraft
Boeing Model 737-800 series airplanes equipped with a short field performance (SFP) package.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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