AD 2013-18-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; the Boeing Company Airplanes |
Unsafe Condition
Cracked and corroded nuts on outboard flap support ribs, which could lead to additional nut and bolt damage in the joint, result in loss of an outboard flap, and adversely affect continued safe flight and landing of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Repetitive inspections of the cap seal for damaged sealant on nuts common to certain outboard flap support ribs, related investigative and corrective actions if necessary, and if necessary, a detailed inspection to determine the nut type installed in the outboard flap support rib and corrective actions. Termination of repetitive inspections is provided under certain conditions.
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Compliance Time
Within 12 months of the effective date of the AD.
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Affected Aircraft
The Boeing Company Model 767-200, -300, -300F, and -400ER series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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