AD 2009-23-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-300 | Airworthiness Directives; Boeing Model 737-300, -400, and -500 Series Airplanes |
Unsafe Condition
Corrosion of the carriage spindle, which could result in fracture. Fracture of both the inboard and outboard carriage spindles, in the forward ends through the large diameters, on a flap, could adversely affect the airplane's continued safe flight and landing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect to determine if certain carriage spindles are installed, perform repetitive inspections for corrosion and indications of corrosion on affected carriage spindles, and if necessary, take related investigative and corrective actions. The AD also retains certain requirements of the existing AD and references Boeing Service Bulletin 737-57A1304, Revision 1, for accomplishing the required actions.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours after the effective date of this AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 737-300, -400, and -500 series airplanes, with specific carriage spindles subject to the unsafe condition as identified in the AD and Boeing Service Bulletin 737-57A1304, Revision 1.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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