AD 2001-08-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 707 and 720 | Airworthiness Directives; Boeing Model 707 and 720 Series Airplanes |
Unsafe Condition
Stress corrosion cracking of the upper and lower chords on the wing front and rear spars, which could result in reduced structural integrity of the wing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the upper and lower chords on the wing front and rear spars per Boeing Service Bulletin 3240, Revision 3, as modified by All Base Message M-7200-01-00062. Repair any cracks or corrosion found before further flight. Apply corrosion inhibitor to inspected areas.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance time specified in the service bulletin as modified by the ABM.
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Affected Aircraft
All Boeing Model 707 and 720 series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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